5284:
5279:
1134:
4369:
870:
4383:
1604:
5266:
149:
4376:
1587:, like other cranial modifications in duckbills, may have been used for a variety of social functions, such as identification of sexes or species and social ranking. It could also have functioned as a tool for broadside pushing or butting in social contests, and there may have been inflatable air sacs flanking it for both visual and auditory signaling. The top of the arch is roughened in some specimens, suggesting that it was covered by thick,
5290:
556:
1051:
1122:
697:
125:
5273:
3322:
1090:-shaped scutes upwards of 3.8 centimeters long (1.5 inches) on the flank and tail; uniform polygonal scales on the neck and sides of the body; and pyramidal structures, flattened side-to-side, with fluted sides, longer than tall and found along the top of the back in a single midline row. In 2016, Gregory S. Paul estimated the size of
528:, and for many years the two were thought to be synonyms. It is known from numerous skulls, some skeletons, and even some skin impressions that show it to have had pyramidal scales projecting along the midline of the back. It is most easily distinguished from other duckbills by its narrow arching nasal hump, sometimes described as similar to a "
1461:
812:
had enlarged prongs along its upper margin, where the lower jaw's beak was based. This new species greatly expands the geographic range of this genus, and there may be a second, more lightly built species present as well. Multiple gryposaur species are known from the
Kaiparowits Formation,
1959:; Hernández,-Rivera, René; Gates, Terry; Paul, Gregory S.; Nesbitt, Sterling; Serrano-Brañas, Claudia Inés; Garcia-de la Garza, Juan Pablo (2006). "Large hadrosaurine dinosaurs from the latest Campanian of Coahuila, Mexico". In Lucas, Spencer G.; Sullivan Robert M. (eds.).
3210:
Eaton, J.G., 2002. Multituberculate mammals from the
Wahweap (Campanian, Aquilan) and Kaiparowits (Campanian, Judithian) formations, within and near Grand Staircase–Escalante National Monument, southern Utah. Miscellaneous Publication 02-4, Utah Geological Survey, 66
1646:
swamps, ponds and lakes, and was bordered by highlands. The climate was wet and humid, and supported an abundant and diverse range of organisms. This formation contains one of the best and most continuous records of Late
Cretaceous terrestrial life in the world.
1113:. In profile view, they rise into a rounded hump in front of the eyes, reaching a height as tall as the highest point of the back of the skull. The skeleton is known in great detail, making it a useful point of reference for other duckbill skeletons.
2404:
3296:
Eaton, Jeffrey G.; Cifelli, Richard L.; Hutchinson, J. Howard; Kirkland, James I.; Parrish, J. Michael (1999). "Cretaceous vertebrate faunas from the
Kaiparowits Plateau, south-central Utah". In Gillete David D. (ed.).
3198:
2111:(1979). "Upper Cretaceous dinosaurs from the Bearpaw Shale (marine) of south-central Montana with a checklist of Upper Cretaceous dinosaur remains from marine sediments in North America".
5831:
3073:
3199:
40Ar/39Ar age of the
Kaiparowits Formation, southern Utah, and correlation of contemporaneous Campanian strata and vertebrate faunas along the margin of the Western Interior Basin
2832:
Lull, Richard Swann; Wright, Nelda E. (1942). Hadrosaurian
Dinosaurs of North America. Geological Society of America Special Paper 40. Geological Society of America. pp. 164–172.
1507:
that contained hundreds of teeth, only a relative handful of which were in use at any time. Plant material would have been cropped by its broad beak, and held in the jaws by a
5821:
3220:
Titus, Alan L. and Mark A. Loewen (editors). At the Top of the Grand
Staircase: The Late Cretaceous of Southern Utah. 2013. Indiana University Press. Hardbound: 634 pp.
5881:
801:
5775:
980:
1541:
appears to have only existed for part of the duration of time that the rocks were being formed. As the formation was being laid down, it recorded a change to more
2023:(1916). "Contributions to the geology and paleontology of San Juan County, New Mexico. 2. Vertebrate faunas of the Ojo Alamo, Kirtland and Fruitland Formations".
2389:
The hadrosaurian dinosaurs (ornithischia: hadrosauria) of Big Bend
National Park, Brewster County, Texas, with implications for late Cretaceous paleozoogeography
1157:
was once thought to fall into this group as well, before it was described (then known under the nickname "Antonio"). A subfamily, Gryposaurinae, was coined by
5861:
5762:
5283:
3020:
777:, from slightly older rocks in Montana than the classic gryposaur localities of Alberta. Based on two parts of a skeleton collected in 1916 for the
2784:(1902). "On Vertebrata of the mid-Cretaceous of the Northwest Territory. 2. New genera and species from the Belly River Series (mid-Cretaceous)".
661:
type specimen is missing the front part of the skull, so the full shape of the nasal arch cannot be seen. The 1942 publication of the influential
832:
have been unearthed for decades, but none were considered to be identifiable as a determined genus of hadrosaur, but do resemble some species of
4368:
5876:
5278:
3081:
5826:
3355:
3306:
2959:
2897:
2657:
2626:
2590:
2288:(Ornithischia: Hadrosauridae) with descriptions of two new hadrosaurid species and an evaluation of hadrosaurid phylogenetic relationships".
2204:
2176:
2145:
2089:
1870:
1827:
1626:
indicates that the
Kaiparowits Formation was deposited between 76.1 and 74.0 million years ago, during the Campanian stage of the Late
5866:
4382:
3261:
Zanno, Lindsay E.; Sampson, Scott D. (2005). "A new oviraptorosaur (Theropoda; Maniraptora) from the Late
Cretaceous (Campanian) of Utah".
1511:-like organ. Its feeding range would have extended from the ground to about 4 m (13 ft) above. The paleontologists who unearthed
3103:
2573:; Weishampel, David B.; Forster, Catherine A (2004). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; OsmĂłlska Halszka (eds.).
778:
750:
of Montana (which have since fallen out of the literature), by 1990 he had changed his position, and was among the first to again use
3231:
5265:
532:," and which may have been used for species or sexual identification, and/or combat with individuals of the same species. A large
5851:
5841:
5644:
1956:
1896:, a new genus and species of trachodont dinosaur from the Belly River Formation of Alberta, with a description of the skull of
955:, Montana, USA, is known from partial skulls and skeletons from several individuals. Its nasal arch is prominent like that of
5856:
5667:
5654:
2921:
2042:
1791:
634:
136:
1630:
period. During the Late Cretaceous period, the site of the Kaiparowits Formation was located near the western shore of the
5871:
5846:
5659:
1642:
to the east. The plateau where dinosaurs lived was an ancient floodplain dominated by large channels and abundant wetland
5836:
2570:
2281:
2108:
1161:
as part of a larger revision that promoted Hadrosaurinae to family status, but is not now in use. A rough equivalent is
1158:
355:
2677:
1133:
607:. This skull was missing the snout, which had eroded into fragments; Brown restored it after the duckbill now known as
5289:
1109:
differ in details of the skull and lower jaw. The prominent nasal arch found in this genus is formed from the paired
148:
1518:
back in the 2000s brought the fact that this creature dined on tough, fibrous plant material which would imply that
613:, which was flat-headed, and believed that some unusual pieces were evidence of compression. Lambe's description of
578:
4375:
1094:
at 7.5 metres (25 ft) in length and 2.5 metric tons (2.8 short tons) in body mass and the other two species (
3348:
3274:
1190:
based on the phylogenetic analysis conducted by Prieto-Márquez and Wagner in 2012, showing the relationships of
869:
3455:
2197:
The Illustrated Encyclopedia of Dinosaurs: An Original and Compelling Insight into Life in the Dinosaur Kingdom
1151:
without hollow head crests. The general term "gryposaur" is sometimes used for duckbills with arched nasals.
2803:
2080:; Horner, Jack R. (1990). "Hadrosauridae". In Weishampel, David B.; Dodson, Peter; OsmĂłlska Halszka (eds.).
2020:
1631:
952:
907:
Dinosaur Park Formation of Alberta, Canada. It is now thought that another species from the same formation,
622:
609:
586:
489:
1603:
5816:
5702:
3814:
3666:
2485:
Redescription of a remarkably large Gryposaurus notabilis (Dinosauria: Hadrosauridae) from Alberta, Canada
1066:
was a hadrosaurid of typical size and shape; one of the best specimens of this genus, the nearly complete
948:
497:
5788:
5624:
4180:
3482:
1723:
1612:
861:, was unearthed in the Javelina Formation in Texas. Further research is needed to confirm its validity.
797:
505:
2984:, a new species of hadrosaurid dinosaur from the Late Cretaceous of the Pacific coast of North America"
722:
was most common in the late 1970s–early 1980s, and appears in some popular books; one well-known work,
2673:
1179:
is incompletely known, lacking most of the bones in front of the eyes, it was very similar to that of
704:
This situation is made more confusing by old suggestions by some authors, including Jack Horner, that
5749:
5044:
3341:
3164:
2740:
2525:
2416:
1994:
1796:
1527:
821:
5272:
1555:
present instead. Other dinosaurs known from only the lower part of the formation include the horned
2077:
1862:
1654:
1523:
582:
3155:
Hopson, James A. (1975). "The evolution of cranial display structures in hadrosaurian dinosaurs".
1078:) came from an animal about 8.2 meters (27 feet) long. This specimen also has the best example of
919:. The two had been differentiated by the size of the nasal arch (larger and closer to the eyes in
813:
represented by cranial and postcranial remains, and were larger than their northern counterparts.
5396:
5007:
3592:
3278:
3180:
3046:
3001:
2864:
2842:
2756:
2729:"Hadrosaurian dinosaurs from the Maastrichtian Javelina Formation, Big Bend National Park, Texas"
2541:
2458:
2440:
2405:"Hadrosaurian dinosaurs from the Maastrichtian Javelina Formation, Big Bend National Park, Texas"
2368:
2250:
1623:
992:
817:
513:
397:
370:
143:
2618:
2610:
1922:(1910). "The Cretaceous Ojo Alamo beds of New Mexico with description of the new dinosaur genus
5793:
2582:
5780:
5403:
5142:
5063:
5023:
3907:
3793:
3739:
3710:
3302:
2955:
2903:
2893:
2653:
2622:
2586:
2489:
2432:
2316:(Dinosauria: Hadrosauridae) from the late Campanian Kaiparowits Formation, southern Utah, USA"
2221:
2200:
2172:
2168:
2162:
2141:
2137:
2131:
2085:
1967:. Albuquerque, New Mexico: New Mexico Museum of Natural History and Science. pp. 299–315.
1866:
1823:
5740:
3232:"Presidential Proclamation: Establishment of the Grand Staircase–Escalante National Monument"
2649:
2643:
1086:, showing this dinosaur to have had several different types of scalation: pyramidal, ridged,
597:
shortly thereafter, Lambe drawing attention to its unusual nasal crest. A few years earlier,
5544:
5537:
5347:
5340:
4869:
4780:
4618:
4519:
4505:
4219:
4187:
3822:
3731:
3645:
3580:
3327:
3301:. Miscellaneous Publication 99-1. Salt Lake City: Utah Geological Survey. pp. 345–353.
3270:
3172:
2991:
2748:
2574:
2533:
2424:
2360:
2327:
2002:
1935:
1854:
1771:
1734:
1504:
1147:
was a saurolophine (hadrosaurine of older references) hadrosaurid, a member of the duckbill
1057:
904:
5629:
5424:
5375:
5238:
5169:
5072:
4892:
4611:
4597:
4576:
4194:
4067:
3834:
3602:
3440:
2226:, from the Campanian of the East Coast of North America, with a reevaluation of the genus"
2192:
1708:
1658:
555:
466:
37:
2954:. Vol. Supplement 2. Jefferson, North Carolina: McFarland & Co. pp. 79–80.
1855:
3168:
2744:
2529:
2420:
1998:
880:
As of 2016, there are currently three named species that are recognized as valid today:
5639:
5634:
5572:
5509:
5382:
5231:
5194:
5176:
5121:
4753:
4569:
4562:
4491:
4413:
4400:
4328:
4316:
4285:
4260:
4124:
4046:
4007:
3993:
3870:
3781:
3703:
3681:
3674:
3415:
2947:
2781:
1889:
1850:
1743:
1684:
1669:
1551:
1017:
594:
590:
319:
225:
2045:(1919). "Preliminary description of a new species of trachodont dinosaur of the genus
1102:) at 8 metres (26 ft) in length and 3 metric tons (3.3 short tons) in body mass.
1050:
5810:
5579:
5523:
5502:
5473:
5389:
5326:
5224:
5217:
5203:
5113:
5093:
5086:
4983:
4933:
4926:
4910:
4885:
4858:
4851:
4844:
4815:
4766:
4728:
4693:
4674:
4646:
4590:
4253:
4246:
4201:
4131:
4000:
3859:
3844:
3806:
3717:
3610:
3573:
3566:
3282:
3239:
2760:
2728:
2575:
2444:
2372:
2351:(Dinosauria: Hadrosauridae) from the Upper Campanian Kaiparowits Formation of Utah".
2332:
2311:
1729:
1695:
1689:
1674:
1563:
1378:
1067:
996:
747:
481:
433:
374:
267:
254:
75:
3184:
3005:
2545:
1818:
Creisler, Benjamin S. (2007). "Deciphering duckbills". In Carpenter, Kenneth (ed.).
5487:
5463:
5451:
5417:
5410:
5361:
5354:
5160:
5104:
5079:
5051:
4940:
4742:
4707:
4653:
4583:
4555:
4441:
4434:
4274:
4239:
4166:
4159:
4081:
4022:
3977:
3879:
3753:
3746:
3695:
3659:
3617:
3467:
3406:
2364:
1978:
1919:
1717:
1713:
1700:
1679:
1665:
1557:
1534:
1354:
1216:
1202:
1162:
1153:
1004:
960:
893:
833:
790:
767:
598:
477:
302:
280:
209:
3128:
3104:"New Dinosaur Species, Gryposaurus Monumentensis, Unearthed In Utah | Science 2.0"
5734:
5676:
5565:
5530:
5368:
5210:
5183:
5135:
4961:
4947:
4919:
4899:
4878:
4822:
4801:
4794:
4787:
4721:
4714:
4667:
4632:
4604:
4540:
4533:
4302:
4152:
4138:
4110:
4088:
4030:
3893:
3724:
3688:
3652:
3548:
3535:
3494:
3364:
2702:
1779:
1704:
1496:
1473:
1395:
1240:
1167:
1121:
1009:
968:
838:
706:
696:
681:. Reviews beginning in the 1990s, however, called into question the identity of
603:
537:
524:
412:
241:
50:
124:
5618:
5593:
5586:
5558:
5551:
5442:
5431:
5317:
5016:
4996:
4954:
4829:
4681:
4548:
4498:
4463:
4456:
4427:
4267:
4145:
4117:
3986:
3959:
3934:
3774:
3767:
3760:
3638:
3317:
3176:
2537:
2493:
1763:
1751:
1639:
1627:
1481:
1110:
1079:
964:
932:
809:
746:
for a partial skull and skeleton and a second less-complete skeleton from the
719:
662:
617:
provided evidence of a different type of skull configuration, and by 1916 the
533:
95:
60:
20:
5725:
2907:
2436:
1495:. Its skull had special joints that permitted a grinding motion analogous to
516:
in Texas may extend the temporal range of the genus to 66 million years ago.
5600:
5516:
5495:
5333:
5030:
4968:
4477:
4449:
4309:
4173:
4103:
4074:
3900:
3886:
3629:
2681:
2084:(1st ed.). Berkeley: University of California Press. pp. 534–561.
1822:. Bloomington and Indianapolis: Indiana University Press. pp. 185–210.
1775:
1738:
1635:
1592:
1488:
1485:
1460:
1187:
1148:
944:
900:
855:
666:
637:'s naming of a nearly complete skeleton from the Dinosaur Park Formation as
601:
had collected and described a partial skull from New Mexico, which he named
540:
474:
470:
459:
160:
100:
44:
2387:
2996:
2979:
789:
material. Horner, who described the specimens, considered it to be a less
5719:
5480:
5149:
5037:
4837:
4808:
4735:
4660:
4625:
4526:
4512:
4470:
4294:
4095:
4060:
3966:
3952:
3914:
3424:
3397:
3388:
2816:
Canada Department of Mines Geological Survey Bulletin (Geological Series)
1661:
786:
574:
529:
462:
193:
180:
90:
85:
70:
65:
55:
2752:
2428:
2006:
1983:"Cretaceous Eocene correlation in New Mexico, Wyoming, Montana, Alberta"
685:, which has limited material for comparison with other duckbills. Thus,
5767:
4773:
4208:
2220:
Prieto-Márquez, Alberto; Weishampel, David B.; Horner, John R. (2006).
1588:
763:
501:
493:
444:
105:
80:
2727:
Lehman, Thomas M.; Wick, Steve L.; Wagner, Jonathan R. (1 July 2016).
2516:(Dinosauria, Hadrosauridae), with a taxonomic revision of the genus".
2483:
2403:
Lehman, Thomas M.; Wick, Steven L.; Wagner, Jonathan R. (March 2016).
935:, as well as with two skeletons with skulls that had been assigned to
758:, although known from fragmentary material, can be distinguished from
4639:
4232:
3382:
2887:
1939:
1767:
1759:
1755:
1087:
858:
851:
742:
in a photo caption. Although Horner in 1979 used the new combination
440:
170:
5696:
1982:
808:. Its skull was more robust than that of the other species, and its
2581:(2nd ed.). Berkeley: University of California Press. pp.
1634:, a large inland sea that split North America into two landmasses,
979:
was listed second on the top 10 list of new species in 2008 by the
927:). Ten complete skulls and twelve fragmentary skulls are known for
804:, includes a skull and partial skeleton that represent the species
4484:
4014:
2615:
Dinosaur Provincial Park: A Spectacular Ancient Ecosystem Revealed
1602:
1572:
1542:
1508:
1500:
1492:
1459:
1132:
1120:
1049:
868:
695:
554:
544:
455:
448:
2512:
Prieto–Marquez, Alberto (2010). "The braincase and skull roof of
1742:. Other paleofauna present in the Kaiparowits Formation included
1034:. However, this synonymy was rejected in the 2004 edition of the
5754:
3852:
1747:
1643:
773:
Further research has revealed the presence of a second species,
509:
5700:
5305:
4398:
3533:
3375:
3337:
1175:, but it is slightly younger. Additionally, while the skull of
3333:
1963:. New Mexico Museum of Natural History and Science Bulletin,
496:, Canada, and two formations in the United States: the Lower
3275:
10.1671/0272-4634(2005)025[0897:ANOTMF]2.0.CO;2
971:"Hadrosauravus" is an early, unused name for this species.
959:, but farther forward on the snout, and its teeth are less
923:) and the form of the upper arm (longer and more robust in
621:
skull had been redone with a nasal arch and both Brown and
1861:. Jefferson, North Carolina: McFarland & Co. pp.
689:
has once again been separated, at least temporarily, from
581:
2278, a skull and partial skeleton collected in 1913 by
2347:
Gates, Terry; Sampson, Scott (2006). "A new species of
975:
is known from a skull and partial skeleton from Utah.
842:. However, in 2016, a possibly forth valid species of
543:
around 8 meters (26 feet) long, it may have preferred
3129:"Toothy dinosaur newest to come out of southern Utah"
1961:
Late Cretaceous vertebrates from the Western Interior
1820:
Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs
1549:
is absent from the upper part of the formation, with
465:
that lived about 80 to 75 million years ago, in the
381:
362:
347:
335:
309:
5709:
5610:
5461:
5441:
5316:
5193:
5159:
5103:
5062:
5006:
4982:
4909:
4868:
4752:
4691:
4411:
4327:
4284:
4218:
4044:
3976:
3932:
3869:
3833:
3792:
3628:
3591:
3546:
3493:
3466:
3439:
3021:"Plant-eating dinosaur a "Cretaceous weed whacker""
2703:"Scientists Announce Top 10 New Species; Issue SOS"
2924:(1920). "The osteology of the trachodont dinosaur
2875:. Geological Society of America. pp. 110–117.
2617:. Bloomington: Indiana University Press. pp.
2025:United States Geological Survey Professional Paper
1928:Bulletin of the American Museum of Natural History
633:were one and the same. This idea was reflected in
2892:. Princeton University Press. pp. 337–339.
2707:International Institute for Species Exploration
2613:. In Currie, Phillip J.; Koppelhus Eva (eds.).
981:International Institute for Species Exploration
2871:. Geological Society of America Special Paper
2849:. Geological Society of America Special Paper
2257:. Geological Society of America Special Paper
2199:. New York: Crescent Books. pp. 116–121.
3349:
2930:University of Toronto Studies, Geology Series
2853:. Geological Society of America. p. 226.
2810:, with a description of the type specimen of
824:, indeterminate hadrosaur remains resembling
649:in its own genus). Direct comparison between
8:
2261:. Geological Society of America. p. 21.
677:question for nearly fifty years in favor of
5832:Grand Staircase–Escalante National Monument
2310:Gates, Terry A.; Sampson, Scott D. (2007).
2055:Transactions of the Royal Society of Canada
1611:(left background) and other animals of the
1503:were continually replacing and packed into
802:Grand Staircase–Escalante National Monument
593:. This specimen was described and named by
5822:Late Cretaceous dinosaurs of North America
5697:
5313:
5302:
4988:
4758:
4699:
4419:
4408:
4395:
4224:
4052:
3944:
3940:
3798:
3558:
3554:
3543:
3530:
3472:
3445:
3436:
3372:
3356:
3342:
3334:
2642:Lambert, David; the Diagram Group (1990).
2609:Ryan, Michael J.; Evans, David C. (2005).
2161:Lambert, David; the Diagram Group (1983).
1951:
1949:
734:), but identifies the mounted skeleton of
123:
27:
2995:
2978:Prieto-Márquez, A.; Wagner, J.R. (2011).
2973:
2971:
2459:"Current Research | Big Bend Conservancy"
2331:
2320:Zoological Journal of the Linnean Society
983:. Recently, a possible fourth species of
724:The Illustrated Encyclopedia of Dinosaurs
512:. A possible additional species from the
3150:
3148:
2565:
2563:
2561:
2559:
2557:
2555:
2507:
2505:
2503:
2276:
2274:
2272:
2270:
2268:
443:"; sometimes incorrectly translated as "
5882:Multispecific non-avian dinosaur genera
2869:Hadrosaurian Dinosaurs of North America
2847:Hadrosaurian Dinosaurs of North America
2604:
2602:
2392:(Thesis thesis). Texas Tech University.
2305:
2303:
2255:Hadrosaurian Dinosaurs of North America
2136:. Secaucus, NJ: Citadel Press. p.
2103:
2101:
1845:
1843:
1841:
1839:
1807:
3047:"Huge New Dinosaur Had A Serious Bite"
2889:The Princeton Field Guide to Dinosaurs
2786:Contributions to Canadian Paleontology
2290:Museum of the Rockies Occasional Paper
2072:
2070:
2068:
1987:Geological Society of America Bulletin
1884:
1882:
1813:
1811:
3197:Roberts EM, Deino AL, Chan MA (2005)
1171:has been proposed to be a synonym of
1165:, as used by Alberto Prieto-Márquez.
1022:was considered a possible species of
7:
1125:Size comparison of three species of
1370:
1346:
1287:
1263:
1256:
1232:
1208:
1197:
999:, along with an unnamed species of
3263:Journal of Vertebrate Paleontology
3201:. Cretaceous Research 26: 307–318.
2518:Journal of Vertebrate Paleontology
2353:Journal of Vertebrate Paleontology
779:American Museum of Natural History
754:in print. Current thought is that
14:
5862:Campanian genus first appearances
854:, who was the last leader of the
657:is hindered by the fact that the
5288:
5282:
5277:
5271:
5264:
4381:
4374:
4367:
3320:
2648:. New York: Avon Books. p.
2386:Wagner, Jonathan R. (May 2001).
2333:10.1111/j.1096-3642.2007.00349.x
2167:. New York: Avon Books. p.
1561:and the hollow-crested duckbill
1537:of the Dinosaur Park Formation,
147:
5645:List of informal dinosaur names
3299:Vertebrate Paleontology in Utah
3019:Dunham, Will (3 October 2007).
2678:"Re: What are these dinosaurs?"
2284:(1992). "Cranial morphology of
1013:, but with a more solid crest.
5655:Timeline of hadrosaur research
3074:"New duck-dinosaur discovered"
2365:10.1080/02724634.2006.10010069
1792:Timeline of hadrosaur research
1709:Parasaurolophus cyrtocristatus
1657:with other dinosaurs, such as
1624:Argon-argon radiometric dating
1583:The distinctive nasal arch of
1194:among the other kritosaurins:
1074:(now regarded as a synonym of
816:In Texas, specifically at the
585:from what is now known as the
137:Natural History Museum of Utah
1:
5877:Fossil taxa described in 1914
2988:Acta Palaeontologica Polonica
2233:Acta Palaeontologica Polonica
5827:Taxa named by Lawrence Lambe
3072:Than, Ker (3 October 2007).
1042:being tabulated as dubious.
1026:, following the synonymy of
949:Lower Two Medicine Formation
836:or at least some species of
5867:Campanian genus extinctions
2952:Dinosaurs: The Encyclopedia
2867:; Wright, Nelda E. (1942).
2845:; Wright, Nelda E. (1942).
2253:; Wright, Nelda E. (1942).
2133:The New Dinosaur Dictionary
1857:Dinosaurs: The Encyclopedia
1105:The three named species of
967:-like characteristics. The
730:for the Canadian material (
710:is also the same as either
700:Skull, Royal Tyrrell Museum
5898:
3080:. NBC News. Archived from
2463:fossildiscoveryexhibit.com
2195:(1985). "Hadrosaurids I".
2164:A Field Guide to Dinosaurs
1591:skin, or that there was a
995:, which dates to the late
389:Lehman, Wick, Wagner, 2016
18:
5312:
5301:
5262:
4991:
4761:
4702:
4422:
4407:
4394:
4365:
4227:
4055:
3947:
3943:
3801:
3561:
3557:
3542:
3529:
3475:
3448:
3435:
3371:
3177:10.1017/S0094837300002165
2886:Paul, Gregory S. (2016).
2611:"Ornithischian Dinosaurs"
2538:10.1080/02724631003762971
1730:Kosmoceratops richardsoni
1651:Gryposaurus monumentensis
1392:
1375:
1368:
1351:
1344:
1313:Gryposaurus monumentensis
1309:
1292:
1285:
1268:
1261:
1254:
1237:
1230:
1213:
1206:
1019:Stephanosaurus marginatus
669:on hadrosaurs sealed the
403:
396:
332:
327:
308:
301:
144:Scientific classification
142:
131:
122:
30:
16:Extinct genus of reptiles
2926:Kritosaurus incurvimanus
2130:Glut, Donald F. (1982).
2051:Kritosaurus incurvimanus
1545:-influenced conditions.
1072:Kritosaurus incurvimanus
1016:The dubious hadrosaurid
1007:which closely resembles
913:Gryposaurus incurvimanus
909:Kritosaurus incurvimanus
850:, which was named after
651:Kritosaurus incurvimanus
643:Gryposaurus incurvimanus
639:Kritosaurus incurvimanus
432:(meaning "hooked-nosed (
19:Not to be confused with
5852:Paleontology in Alberta
5842:Paleontology in Montana
2733:Journal of Paleontology
2409:Journal of Paleontology
2113:Journal of Paleontology
1853:(1997). "Gryposaurus".
1770:were present including
1632:Western Interior Seaway
991:, was unearthed in the
610:Edmontosaurus annectens
587:Dinosaur Park Formation
490:Dinosaur Park Formation
2806:(1924). "On the genus
2709:. Newswise. 2008-05-23
2645:The Dinosaur Data Book
1615:
1491:, eating a variety of
1469:
1141:
1130:
1060:
877:
796:New material from the
762:by differences in the
744:Hadrosaurus notabilis
701:
683:Kritosaurus navajovius
589:of Alberta, along the
567:
498:Two Medicine Formation
5857:Kaiparowits Formation
5789:Paleobiology Database
5625:Basturs Poble bonebed
2997:10.4202/app.2011.0049
2514:Gryposaurus notabilis
1902:The Ottawa Naturalist
1894:Gryposaurus notabilis
1766:. A variety of early
1724:Nasutoceratops titusi
1701:armored ankylosaurids
1613:Kaiparowits Formation
1606:
1535:bird-hipped dinosaurs
1463:
1296:Gryposaurus notabilis
1136:
1124:
1076:Gryposaurus notabilis
1053:
872:
798:Kaiparowits Formation
699:
655:Gryposaurus notabilis
647:Gryposaurus notabilis
558:
506:Kaiparowits Formation
314:Gryposaurus notabilis
5872:Ornithischian genera
5847:Paleontology in Utah
5647:(contains hadrosaur
5045:Probrachylophosaurus
2078:Weishampel, David B.
1797:2016 in paleontology
1705:duckbilled hadrosaur
1272:Gryposaurus latidens
822:El Picacho Formation
551:History of discovery
5837:Dinosaur Park fauna
3169:1975Pbio....1...21H
3084:on October 15, 2013
2982:Saurolophus morrisi
2865:Lull, Richard Swann
2843:Lull, Richard Swann
2812:Lambeosaurus lambei
2804:Gilmore, Charles W.
2753:10.1017/jpa.2016.48
2745:2016JPal...90..333L
2530:2010JVPal..30..838P
2482:Bertozzo, Filippo.
2429:10.1017/jpa.2016.48
2421:2016JPal...90..333L
2251:Lull, Richard Swann
2224:Hadrosaurus foulkii
2021:Gilmore, Charles W.
2007:10.1130/gsab-25-355
1999:1914GSAB...25..355B
1746:(sharks and rays),
1739:Hagryphus giganteus
1718:Utahceratops gettyi
1575:-related settings.
1571:may have preferred
1186:The following is a
1003:and an undescribed
989:Gryposaurus alsatei
915:), is a synonym of
785:is also known from
583:George F. Sternberg
488:are known from the
484:. Named species of
5397:Ornithopodichnites
5008:Brachylophosaurini
3593:Hypsilophodontidae
3236:September 18, 1996
3230:Clinton, William.
2782:Lambe, Lawrence M.
2312:"A new species of
1957:Kirkland, James I.
1898:Chasmosaurus belli
1890:Lambe, Lawrence M.
1680:Ornithomimus velox
1616:
1480:would have been a
1470:
1142:
1131:
1061:
993:Javelina Formation
878:
818:Javelina Formation
702:
645:(although he left
625:had proposed that
568:
514:Javelina Formation
5804:
5803:
5703:Taxon identifiers
5694:
5693:
5690:
5689:
5686:
5685:
5404:Shiraminesauropus
5297:
5296:
5260:
5259:
5256:
5255:
5252:
5251:
5248:
5247:
5143:Naashoibitosaurus
5064:Austrokritosauria
5024:Brachylophosaurus
4978:
4977:
4390:
4389:
4363:
4362:
4359:
4358:
4355:
4354:
4351:
4350:
4347:
4346:
4040:
4039:
3928:
3927:
3924:
3923:
3908:Transylvanosaurus
3794:Rhabdodontomorpha
3740:Notohypsilophodon
3711:Macrogryphosaurus
3525:
3524:
3521:
3520:
3517:
3516:
3513:
3512:
3308:978-1-55791-634-1
3242:on 28 August 2013
3108:www.science20.com
2961:978-0-89950-917-4
2922:Parks, William A.
2899:978-1-78684-190-2
2674:Olshevsky, George
2659:978-0-380-75896-8
2628:978-0-253-34595-0
2592:978-0-520-24209-8
2359:(3, Suppl): 65A.
2206:978-0-517-46890-6
2193:Norman, David. B.
2178:978-0-380-83519-5
2147:978-0-8065-0782-8
2091:978-0-520-06727-1
2043:Parks, William A.
1872:978-0-89950-917-4
1829:978-0-253-34817-3
1772:multituberculates
1735:oviraptorosaurian
1464:Restored head of
1452:
1451:
1443:
1442:
1434:
1433:
1425:
1424:
1416:
1415:
1407:
1406:
1333:
1332:
1324:
1323:
947:-early Campanian
566:), collected 1918
454:) lizard") was a
425:
424:
419:
390:
378:
359:
344:
5889:
5797:
5796:
5784:
5783:
5771:
5770:
5758:
5757:
5745:
5744:
5743:
5730:
5729:
5728:
5698:
5671:mummy S.M. R4036
5545:Microhadrosaurus
5538:Mandschurosaurus
5348:Camptosaurichnus
5341:Bonaparteichnium
5314:
5307:Related articles
5303:
5292:
5286:
5281:
5276:
5275:
5268:
4989:
4870:Parasaurolophini
4781:Angulomastacator
4759:
4700:
4619:Shuangmiaosaurus
4520:Huehuecanauhtlus
4506:Gongpoquansaurus
4420:
4409:
4396:
4385:
4379:
4378:
4371:
4225:
4220:Hadrosauriformes
4188:Ratchasimasaurus
4053:
3945:
3941:
3823:Muttaburrasaurus
3799:
3732:Muttaburrasaurus
3646:Atlascopcosaurus
3581:Thescelosauridae
3559:
3555:
3544:
3531:
3473:
3446:
3437:
3430:
3429:
3373:
3358:
3351:
3344:
3335:
3330:
3328:Dinosaurs portal
3325:
3324:
3323:
3313:
3312:
3293:
3287:
3286:
3258:
3252:
3251:
3249:
3247:
3238:. Archived from
3227:
3221:
3218:
3212:
3208:
3202:
3195:
3189:
3188:
3152:
3143:
3142:
3140:
3139:
3125:
3119:
3118:
3116:
3115:
3100:
3094:
3093:
3091:
3089:
3069:
3063:
3062:
3060:
3058:
3051:ScienceDaily.com
3043:
3037:
3036:
3034:
3032:
3016:
3010:
3009:
2999:
2975:
2966:
2965:
2944:
2938:
2937:
2918:
2912:
2911:
2883:
2877:
2876:
2861:
2855:
2854:
2839:
2833:
2830:
2824:
2823:
2800:
2794:
2793:
2778:
2772:
2771:
2769:
2767:
2724:
2718:
2717:
2715:
2714:
2699:
2693:
2692:
2690:
2689:
2680:. Archived from
2670:
2664:
2663:
2639:
2633:
2632:
2606:
2597:
2596:
2580:
2567:
2550:
2549:
2509:
2498:
2497:
2479:
2473:
2472:
2470:
2469:
2455:
2449:
2448:
2400:
2394:
2393:
2383:
2377:
2376:
2344:
2338:
2337:
2335:
2307:
2298:
2297:
2278:
2263:
2262:
2247:
2241:
2240:
2230:
2217:
2211:
2210:
2189:
2183:
2182:
2158:
2152:
2151:
2127:
2121:
2120:
2105:
2096:
2095:
2074:
2063:
2062:
2039:
2033:
2032:
2017:
2011:
2010:
1975:
1969:
1968:
1953:
1944:
1943:
1916:
1910:
1909:
1886:
1877:
1876:
1860:
1847:
1834:
1833:
1815:
1655:paleoenvironment
1638:to the west and
1609:G. monumentensis
1505:dental batteries
1371:
1347:
1288:
1264:
1257:
1233:
1209:
1198:
1100:G. monumentensis
1082:impressions for
1058:life restoration
977:G. monumentensis
973:G. monumentensis
905:Upper Cretaceous
890:G. monumentensis
874:G. monumentensis
806:G. monumentensis
718:, or both. This
409:
388:
383:
369:
366:G. monumentensis
364:
354:
349:
342:
337:
311:
292:
279:
266:
253:
240:
224:
208:
152:
151:
135:skeleton in the
133:G. monumentensis
127:
117:
47:
36:Temporal range:
28:
5897:
5896:
5892:
5891:
5890:
5888:
5887:
5886:
5807:
5806:
5805:
5800:
5792:
5787:
5779:
5774:
5766:
5761:
5753:
5748:
5739:
5738:
5733:
5724:
5723:
5718:
5705:
5695:
5682:
5663:mummy AMNH 5060
5630:Dakota (fossil)
5606:
5457:
5437:
5425:Tetrapodosaurus
5376:Hadrosaurichnus
5308:
5293:
5270:
5244:
5239:Shantungosaurus
5189:
5170:Augustynolophus
5155:
5099:
5073:Bonapartesaurus
5058:
5002:
4974:
4905:
4893:Parasaurolophus
4864:
4748:
4696:
4687:
4612:Qianjiangsaurus
4598:Probactrosaurus
4577:Penelopognathus
4416:
4403:
4386:
4373:
4343:
4323:
4280:
4214:
4195:Riabininohadros
4068:Bayannurosaurus
4049:
4036:
3972:
3937:
3920:
3865:
3835:Tenontosauridae
3829:
3788:
3624:
3603:Gideonmantellia
3587:
3551:
3538:
3509:
3489:
3462:
3456:Avemetatarsalia
3441:Avemetatarsalia
3431:
3378:
3377:
3367:
3362:
3326:
3321:
3319:
3316:
3309:
3295:
3294:
3290:
3260:
3259:
3255:
3245:
3243:
3229:
3228:
3224:
3219:
3215:
3209:
3205:
3196:
3192:
3154:
3153:
3146:
3137:
3135:
3127:
3126:
3122:
3113:
3111:
3102:
3101:
3097:
3087:
3085:
3071:
3070:
3066:
3056:
3054:
3053:. Science Daily
3045:
3044:
3040:
3030:
3028:
3018:
3017:
3013:
2977:
2976:
2969:
2962:
2948:Glut, Donald F.
2946:
2945:
2941:
2920:
2919:
2915:
2900:
2885:
2884:
2880:
2863:
2862:
2858:
2841:
2840:
2836:
2831:
2827:
2802:
2801:
2797:
2780:
2779:
2775:
2765:
2763:
2726:
2725:
2721:
2712:
2710:
2701:
2700:
2696:
2687:
2685:
2672:
2671:
2667:
2660:
2641:
2640:
2636:
2629:
2608:
2607:
2600:
2593:
2571:Horner, John R.
2569:
2568:
2553:
2511:
2510:
2501:
2481:
2480:
2476:
2467:
2465:
2457:
2456:
2452:
2402:
2401:
2397:
2385:
2384:
2380:
2346:
2345:
2341:
2309:
2308:
2301:
2282:Horner, John R.
2280:
2279:
2266:
2249:
2248:
2244:
2228:
2219:
2218:
2214:
2207:
2191:
2190:
2186:
2179:
2160:
2159:
2155:
2148:
2129:
2128:
2124:
2109:Horner, John R.
2107:
2106:
2099:
2092:
2076:
2075:
2066:
2041:
2040:
2036:
2019:
2018:
2014:
1977:
1976:
1972:
1955:
1954:
1947:
1934:(24): 267–274.
1918:
1917:
1913:
1888:
1887:
1880:
1873:
1851:Glut, Donald F.
1849:
1848:
1837:
1830:
1817:
1816:
1809:
1805:
1788:
1744:chondrichthyans
1621:
1607:Restoration of
1601:
1581:
1458:
1453:
1444:
1435:
1426:
1417:
1408:
1334:
1325:
1119:
1048:
937:K. incurvimanus
925:K. incurvimanus
911:(also known as
867:
736:K. incurvimanus
623:Charles Gilmore
564:G. incurvimanus
553:
467:Late Cretaceous
417:
387:
368:
353:
341:
323:
317:
290:
277:
264:
251:
238:
222:
206:
146:
118:
116:
115:
114:
113:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
42:
41:
38:Late Cretaceous
34:
24:
17:
12:
11:
5:
5895:
5893:
5885:
5884:
5879:
5874:
5869:
5864:
5859:
5854:
5849:
5844:
5839:
5834:
5829:
5824:
5819:
5809:
5808:
5802:
5801:
5799:
5798:
5785:
5772:
5759:
5746:
5731:
5715:
5713:
5707:
5706:
5701:
5692:
5691:
5688:
5687:
5684:
5683:
5681:
5680:
5673:
5665:
5657:
5652:
5642:
5640:Hypsilophodont
5637:
5635:Hadrosaur diet
5632:
5627:
5622:
5614:
5612:
5611:Other articles
5608:
5607:
5605:
5604:
5597:
5590:
5583:
5576:
5573:Stephanosaurus
5569:
5562:
5555:
5548:
5541:
5534:
5527:
5520:
5513:
5510:Fulgurotherium
5506:
5499:
5492:
5484:
5477:
5469:
5467:
5459:
5458:
5456:
5455:
5447:
5445:
5439:
5438:
5436:
5435:
5428:
5421:
5414:
5407:
5400:
5393:
5386:
5383:Iguanodontipus
5379:
5372:
5365:
5358:
5351:
5344:
5337:
5330:
5322:
5320:
5310:
5309:
5306:
5299:
5298:
5295:
5294:
5263:
5261:
5258:
5257:
5254:
5253:
5250:
5249:
5246:
5245:
5243:
5242:
5235:
5232:Laiyangosaurus
5228:
5221:
5214:
5207:
5199:
5197:
5195:Edmontosaurini
5191:
5190:
5188:
5187:
5180:
5177:Prosaurolophus
5173:
5165:
5163:
5157:
5156:
5154:
5153:
5146:
5139:
5132:
5125:
5122:Coahuilasaurus
5118:
5109:
5107:
5101:
5100:
5098:
5097:
5090:
5083:
5076:
5068:
5066:
5060:
5059:
5057:
5056:
5048:
5041:
5034:
5027:
5020:
5012:
5010:
5004:
5003:
5001:
5000:
4992:
4986:
4980:
4979:
4976:
4975:
4973:
4972:
4965:
4958:
4951:
4944:
4937:
4930:
4923:
4915:
4913:
4907:
4906:
4904:
4903:
4896:
4889:
4882:
4874:
4872:
4866:
4865:
4863:
4862:
4855:
4848:
4841:
4834:
4826:
4819:
4812:
4805:
4798:
4791:
4784:
4777:
4770:
4762:
4756:
4754:Lambeosaurinae
4750:
4749:
4747:
4746:
4739:
4732:
4725:
4718:
4711:
4703:
4697:
4692:
4689:
4688:
4686:
4685:
4678:
4671:
4664:
4657:
4650:
4643:
4636:
4629:
4622:
4615:
4608:
4601:
4594:
4587:
4580:
4573:
4570:Nanyangosaurus
4566:
4563:Nanningosaurus
4559:
4552:
4545:
4537:
4530:
4523:
4516:
4509:
4502:
4495:
4492:Gilmoreosaurus
4488:
4481:
4474:
4467:
4460:
4453:
4446:
4438:
4431:
4423:
4417:
4414:Hadrosauroidea
4412:
4405:
4404:
4401:Hadrosauroidea
4399:
4392:
4391:
4388:
4387:
4366:
4364:
4361:
4360:
4357:
4356:
4353:
4352:
4349:
4348:
4345:
4344:
4342:
4341:
4340:
4339:
4333:
4331:
4329:Hadrosauroidea
4325:
4324:
4322:
4321:
4317:Mantellisaurus
4313:
4306:
4299:
4290:
4288:
4286:Iguanodontidae
4282:
4281:
4279:
4278:
4271:
4264:
4261:Mantellisaurus
4257:
4250:
4243:
4236:
4228:
4222:
4216:
4215:
4213:
4212:
4205:
4198:
4191:
4184:
4177:
4170:
4163:
4156:
4149:
4142:
4135:
4128:
4125:Iguanacolossus
4121:
4114:
4107:
4100:
4092:
4085:
4078:
4071:
4064:
4056:
4050:
4047:Ankylopollexia
4045:
4042:
4041:
4038:
4037:
4035:
4034:
4027:
4019:
4011:
4008:Eousdryosaurus
4004:
3997:
3994:Dysalotosaurus
3990:
3982:
3980:
3974:
3973:
3971:
3970:
3963:
3956:
3948:
3938:
3933:
3930:
3929:
3926:
3925:
3922:
3921:
3919:
3918:
3911:
3904:
3897:
3890:
3883:
3875:
3873:
3871:Rhabdodontidae
3867:
3866:
3864:
3863:
3856:
3849:
3840:
3838:
3831:
3830:
3828:
3827:
3819:
3811:
3802:
3796:
3790:
3789:
3787:
3786:
3782:Weewarrasaurus
3778:
3771:
3764:
3757:
3750:
3743:
3736:
3728:
3721:
3714:
3707:
3704:Leaellynasaura
3700:
3692:
3685:
3682:Gasparinisaura
3678:
3675:Galleonosaurus
3671:
3663:
3656:
3649:
3642:
3634:
3632:
3626:
3625:
3623:
3622:
3614:
3607:
3598:
3596:
3589:
3588:
3586:
3585:
3577:
3570:
3562:
3552:
3547:
3540:
3539:
3534:
3527:
3526:
3523:
3522:
3519:
3518:
3515:
3514:
3511:
3510:
3508:
3507:
3506:
3505:
3499:
3497:
3491:
3490:
3488:
3487:
3486:
3485:
3476:
3470:
3464:
3463:
3461:
3460:
3459:
3458:
3449:
3443:
3433:
3432:
3428:
3427:
3418:
3416:Neornithischia
3409:
3400:
3391:
3385:
3376:
3369:
3368:
3363:
3361:
3360:
3353:
3346:
3338:
3332:
3331:
3315:
3314:
3307:
3288:
3269:(4): 897–904.
3253:
3222:
3213:
3203:
3190:
3144:
3120:
3095:
3064:
3038:
3011:
2967:
2960:
2939:
2913:
2898:
2878:
2856:
2834:
2825:
2808:Stephanosaurus
2795:
2773:
2739:(2): 333–356.
2719:
2694:
2676:(1999-11-16).
2665:
2658:
2634:
2627:
2598:
2591:
2577:The Dinosauria
2551:
2524:(3): 838–854.
2499:
2474:
2450:
2415:(2): 333–356.
2395:
2378:
2339:
2326:(2): 351–376.
2299:
2286:Prosaurolophus
2264:
2242:
2222:"The dinosaur
2212:
2205:
2184:
2177:
2153:
2146:
2122:
2097:
2090:
2082:The Dinosauria
2064:
2034:
2012:
1993:(1): 355–380.
1970:
1945:
1911:
1908:(11): 145–155.
1878:
1871:
1835:
1828:
1806:
1804:
1801:
1800:
1799:
1794:
1787:
1784:
1685:tyrannosaurids
1670:Talos sampsoni
1620:
1617:
1600:
1597:
1580:
1577:
1552:Prosaurolophus
1457:
1454:
1450:
1449:
1446:
1445:
1441:
1440:
1437:
1436:
1432:
1431:
1428:
1427:
1423:
1422:
1419:
1418:
1414:
1413:
1410:
1409:
1405:
1404:
1401:
1400:
1391:
1388:
1387:
1384:
1383:
1374:
1369:
1367:
1364:
1363:
1360:
1359:
1350:
1345:
1343:
1340:
1339:
1336:
1335:
1331:
1330:
1327:
1326:
1322:
1321:
1318:
1317:
1308:
1305:
1304:
1301:
1300:
1291:
1286:
1284:
1281:
1280:
1277:
1276:
1267:
1262:
1260:
1255:
1253:
1250:
1249:
1246:
1245:
1236:
1231:
1229:
1226:
1225:
1222:
1221:
1212:
1207:
1205:
1196:
1118:
1117:Classification
1115:
1047:
1044:
1040:Stephanosaurus
953:Pondera County
945:late Santonian
901:late Campanian
866:
863:
595:Lawrence Lambe
591:Red Deer River
552:
549:
522:is similar to
423:
422:
421:
420:
401:
400:
394:
393:
392:
391:
379:
360:
345:
330:
329:
325:
324:
318:
306:
305:
299:
298:
288:
284:
283:
275:
271:
270:
262:
258:
257:
249:
245:
244:
236:
229:
228:
226:Neornithischia
220:
213:
212:
204:
197:
196:
191:
184:
183:
178:
174:
173:
168:
164:
163:
158:
154:
153:
140:
139:
129:
128:
120:
119:
111:
110:
109:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
48:
35:
15:
13:
10:
9:
6:
4:
3:
2:
5894:
5883:
5880:
5878:
5875:
5873:
5870:
5868:
5865:
5863:
5860:
5858:
5855:
5853:
5850:
5848:
5845:
5843:
5840:
5838:
5835:
5833:
5830:
5828:
5825:
5823:
5820:
5818:
5817:Saurolophines
5815:
5814:
5812:
5795:
5790:
5786:
5782:
5777:
5773:
5769:
5764:
5760:
5756:
5751:
5747:
5742:
5736:
5732:
5727:
5721:
5717:
5716:
5714:
5712:
5708:
5704:
5699:
5679:
5678:
5674:
5672:
5670:
5669:Edmontosaurus
5666:
5664:
5662:
5661:Edmontosaurus
5658:
5656:
5653:
5650:
5646:
5643:
5641:
5638:
5636:
5633:
5631:
5628:
5626:
5623:
5621:
5620:
5616:
5615:
5613:
5609:
5603:
5602:
5598:
5596:
5595:
5591:
5589:
5588:
5584:
5582:
5581:
5580:Syngonosaurus
5577:
5575:
5574:
5570:
5568:
5567:
5563:
5561:
5560:
5556:
5554:
5553:
5549:
5547:
5546:
5542:
5540:
5539:
5535:
5533:
5532:
5528:
5526:
5525:
5524:Koutalisaurus
5521:
5519:
5518:
5514:
5512:
5511:
5507:
5505:
5504:
5503:Eucercosaurus
5500:
5498:
5497:
5493:
5490:
5489:
5485:
5483:
5482:
5478:
5476:
5475:
5474:Arstanosaurus
5471:
5470:
5468:
5466:
5465:
5460:
5454:
5453:
5449:
5448:
5446:
5444:
5440:
5434:
5433:
5429:
5427:
5426:
5422:
5420:
5419:
5415:
5413:
5412:
5408:
5406:
5405:
5401:
5399:
5398:
5394:
5392:
5391:
5390:Orcauichnites
5387:
5385:
5384:
5380:
5378:
5377:
5373:
5371:
5370:
5366:
5364:
5363:
5359:
5357:
5356:
5352:
5350:
5349:
5345:
5343:
5342:
5338:
5336:
5335:
5331:
5329:
5328:
5327:Amblydactylus
5324:
5323:
5321:
5319:
5315:
5311:
5304:
5300:
5291:
5287:
5285:
5280:
5274:
5267:
5241:
5240:
5236:
5234:
5233:
5229:
5227:
5226:
5225:Kundurosaurus
5222:
5220:
5219:
5218:Kerberosaurus
5215:
5213:
5212:
5208:
5206:
5205:
5204:Edmontosaurus
5201:
5200:
5198:
5196:
5192:
5186:
5185:
5181:
5179:
5178:
5174:
5172:
5171:
5167:
5166:
5164:
5162:
5158:
5152:
5151:
5147:
5145:
5144:
5140:
5138:
5137:
5133:
5131:
5130:
5126:
5124:
5123:
5119:
5116:
5115:
5114:Anasazisaurus
5111:
5110:
5108:
5106:
5102:
5096:
5095:
5094:Secernosaurus
5091:
5089:
5088:
5087:Kelumapusaura
5084:
5082:
5081:
5077:
5075:
5074:
5070:
5069:
5067:
5065:
5061:
5054:
5053:
5049:
5047:
5046:
5042:
5040:
5039:
5035:
5033:
5032:
5028:
5026:
5025:
5021:
5019:
5018:
5014:
5013:
5011:
5009:
5005:
4999:
4998:
4994:
4993:
4990:
4987:
4985:
4984:Saurolophinae
4981:
4971:
4970:
4966:
4964:
4963:
4959:
4957:
4956:
4952:
4950:
4949:
4945:
4943:
4942:
4938:
4936:
4935:
4934:Hypacrosaurus
4931:
4929:
4928:
4927:Corythosaurus
4924:
4922:
4921:
4917:
4916:
4914:
4912:
4911:Lambeosaurini
4908:
4902:
4901:
4897:
4895:
4894:
4890:
4888:
4887:
4886:Charonosaurus
4883:
4881:
4880:
4876:
4875:
4873:
4871:
4867:
4861:
4860:
4859:Tsintaosaurus
4856:
4854:
4853:
4852:Pararhabdodon
4849:
4847:
4846:
4845:Nipponosaurus
4842:
4840:
4839:
4835:
4832:
4831:
4827:
4825:
4824:
4820:
4818:
4817:
4816:Jaxartosaurus
4813:
4811:
4810:
4806:
4804:
4803:
4799:
4797:
4796:
4792:
4790:
4789:
4785:
4783:
4782:
4778:
4776:
4775:
4771:
4769:
4768:
4767:Adynomosaurus
4764:
4763:
4760:
4757:
4755:
4751:
4745:
4744:
4740:
4738:
4737:
4733:
4731:
4730:
4729:Lapampasaurus
4726:
4724:
4723:
4719:
4717:
4716:
4712:
4710:
4709:
4705:
4704:
4701:
4698:
4695:
4694:Hadrosauridae
4690:
4684:
4683:
4679:
4677:
4676:
4675:Zhanghenglong
4672:
4670:
4669:
4665:
4663:
4662:
4658:
4656:
4655:
4651:
4649:
4648:
4647:Telmatosaurus
4644:
4642:
4641:
4637:
4635:
4634:
4630:
4628:
4627:
4623:
4621:
4620:
4616:
4614:
4613:
4609:
4607:
4606:
4602:
4600:
4599:
4595:
4593:
4592:
4591:Portellsaurus
4588:
4586:
4585:
4581:
4579:
4578:
4574:
4572:
4571:
4567:
4565:
4564:
4560:
4558:
4557:
4553:
4551:
4550:
4546:
4543:
4542:
4538:
4536:
4535:
4531:
4529:
4528:
4524:
4522:
4521:
4517:
4515:
4514:
4510:
4508:
4507:
4503:
4501:
4500:
4496:
4494:
4493:
4489:
4487:
4486:
4482:
4480:
4479:
4475:
4473:
4472:
4468:
4466:
4465:
4461:
4459:
4458:
4454:
4452:
4451:
4447:
4444:
4443:
4439:
4437:
4436:
4432:
4430:
4429:
4425:
4424:
4421:
4418:
4415:
4410:
4406:
4402:
4397:
4393:
4384:
4380:
4377:
4370:
4337:
4336:
4335:
4334:
4332:
4330:
4326:
4319:
4318:
4314:
4312:
4311:
4307:
4305:
4304:
4300:
4297:
4296:
4292:
4291:
4289:
4287:
4283:
4277:
4276:
4272:
4270:
4269:
4265:
4263:
4262:
4258:
4256:
4255:
4254:Jinzhousaurus
4251:
4249:
4248:
4247:Hypselospinus
4244:
4242:
4241:
4237:
4235:
4234:
4230:
4229:
4226:
4223:
4221:
4217:
4211:
4210:
4206:
4204:
4203:
4202:Theiophytalia
4199:
4197:
4196:
4192:
4190:
4189:
4185:
4183:
4182:
4178:
4176:
4175:
4171:
4169:
4168:
4164:
4162:
4161:
4157:
4155:
4154:
4150:
4148:
4147:
4143:
4141:
4140:
4136:
4134:
4133:
4132:Lanzhousaurus
4129:
4127:
4126:
4122:
4120:
4119:
4115:
4113:
4112:
4108:
4106:
4105:
4101:
4098:
4097:
4093:
4091:
4090:
4086:
4084:
4083:
4079:
4077:
4076:
4072:
4070:
4069:
4065:
4063:
4062:
4058:
4057:
4054:
4051:
4048:
4043:
4033:
4032:
4028:
4025:
4024:
4020:
4017:
4016:
4012:
4010:
4009:
4005:
4003:
4002:
4001:Elrhazosaurus
3998:
3996:
3995:
3991:
3989:
3988:
3984:
3983:
3981:
3979:
3975:
3969:
3968:
3964:
3962:
3961:
3957:
3955:
3954:
3950:
3949:
3946:
3942:
3939:
3936:
3931:
3917:
3916:
3912:
3910:
3909:
3905:
3903:
3902:
3898:
3896:
3895:
3891:
3889:
3888:
3884:
3882:
3881:
3877:
3876:
3874:
3872:
3868:
3862:
3861:
3860:Tenontosaurus
3857:
3855:
3854:
3850:
3847:
3846:
3845:Convolosaurus
3842:
3841:
3839:
3836:
3832:
3825:
3824:
3820:
3817:
3816:
3812:
3809:
3808:
3807:Ampelognathus
3804:
3803:
3800:
3797:
3795:
3791:
3784:
3783:
3779:
3777:
3776:
3772:
3770:
3769:
3765:
3763:
3762:
3758:
3756:
3755:
3751:
3749:
3748:
3744:
3742:
3741:
3737:
3734:
3733:
3729:
3727:
3726:
3722:
3720:
3719:
3718:Mahuidacursor
3715:
3713:
3712:
3708:
3706:
3705:
3701:
3698:
3697:
3693:
3691:
3690:
3686:
3684:
3683:
3679:
3677:
3676:
3672:
3669:
3668:
3664:
3662:
3661:
3657:
3655:
3654:
3650:
3648:
3647:
3643:
3641:
3640:
3636:
3635:
3633:
3631:
3627:
3620:
3619:
3615:
3613:
3612:
3611:Hypsilophodon
3608:
3605:
3604:
3600:
3599:
3597:
3594:
3590:
3583:
3582:
3578:
3576:
3575:
3574:Callovosaurus
3571:
3569:
3568:
3567:Burianosaurus
3564:
3563:
3560:
3556:
3553:
3550:
3545:
3541:
3537:
3532:
3528:
3503:
3502:
3501:
3500:
3498:
3496:
3492:
3484:
3480:
3479:
3478:
3477:
3474:
3471:
3469:
3465:
3457:
3453:
3452:
3451:
3450:
3447:
3444:
3442:
3438:
3434:
3426:
3422:
3419:
3417:
3413:
3410:
3408:
3404:
3401:
3399:
3395:
3392:
3390:
3386:
3384:
3380:
3379:
3374:
3370:
3366:
3359:
3354:
3352:
3347:
3345:
3340:
3339:
3336:
3329:
3318:
3310:
3304:
3300:
3292:
3289:
3284:
3280:
3276:
3272:
3268:
3264:
3257:
3254:
3241:
3237:
3233:
3226:
3223:
3217:
3214:
3207:
3204:
3200:
3194:
3191:
3186:
3182:
3178:
3174:
3170:
3166:
3162:
3158:
3151:
3149:
3145:
3134:
3130:
3124:
3121:
3109:
3105:
3099:
3096:
3083:
3079:
3075:
3068:
3065:
3052:
3048:
3042:
3039:
3026:
3022:
3015:
3012:
3007:
3003:
2998:
2993:
2989:
2985:
2983:
2974:
2972:
2968:
2963:
2957:
2953:
2949:
2943:
2940:
2935:
2931:
2927:
2923:
2917:
2914:
2909:
2905:
2901:
2895:
2891:
2890:
2882:
2879:
2874:
2870:
2866:
2860:
2857:
2852:
2848:
2844:
2838:
2835:
2829:
2826:
2821:
2817:
2813:
2809:
2805:
2799:
2796:
2791:
2787:
2783:
2777:
2774:
2762:
2758:
2754:
2750:
2746:
2742:
2738:
2734:
2730:
2723:
2720:
2708:
2704:
2698:
2695:
2684:on 2008-06-26
2683:
2679:
2675:
2669:
2666:
2661:
2655:
2651:
2647:
2646:
2638:
2635:
2630:
2624:
2620:
2616:
2612:
2605:
2603:
2599:
2594:
2588:
2584:
2579:
2578:
2572:
2566:
2564:
2562:
2560:
2558:
2556:
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2547:
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2539:
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2527:
2523:
2519:
2515:
2508:
2506:
2504:
2500:
2495:
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2475:
2464:
2460:
2454:
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2414:
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2399:
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2370:
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2362:
2358:
2354:
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2334:
2329:
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2321:
2317:
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2306:
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2300:
2295:
2291:
2287:
2283:
2277:
2275:
2273:
2271:
2269:
2265:
2260:
2256:
2252:
2246:
2243:
2238:
2234:
2227:
2225:
2216:
2213:
2208:
2202:
2198:
2194:
2188:
2185:
2180:
2174:
2170:
2166:
2165:
2157:
2154:
2149:
2143:
2139:
2135:
2134:
2126:
2123:
2119:(3): 566–577.
2118:
2114:
2110:
2104:
2102:
2098:
2093:
2087:
2083:
2079:
2073:
2071:
2069:
2065:
2060:
2056:
2052:
2048:
2044:
2038:
2035:
2030:
2026:
2022:
2016:
2013:
2008:
2004:
2000:
1996:
1992:
1988:
1984:
1980:
1979:Brown, Barnum
1974:
1971:
1966:
1962:
1958:
1952:
1950:
1946:
1941:
1937:
1933:
1929:
1925:
1921:
1920:Brown, Barnum
1915:
1912:
1907:
1903:
1899:
1895:
1891:
1885:
1883:
1879:
1874:
1868:
1864:
1859:
1858:
1852:
1846:
1844:
1842:
1840:
1836:
1831:
1825:
1821:
1814:
1812:
1808:
1802:
1798:
1795:
1793:
1790:
1789:
1785:
1783:
1781:
1780:insectivorans
1777:
1773:
1769:
1765:
1761:
1757:
1753:
1749:
1745:
1741:
1740:
1736:
1732:
1731:
1726:
1725:
1720:
1719:
1715:
1711:
1710:
1706:
1702:
1698:
1697:
1696:Teratophoneus
1692:
1691:
1690:Albertosaurus
1686:
1682:
1681:
1676:
1675:ornithomimids
1672:
1671:
1667:
1663:
1660:
1659:dromaeosaurid
1656:
1652:
1648:
1645:
1641:
1637:
1633:
1629:
1625:
1618:
1614:
1610:
1605:
1598:
1596:
1594:
1593:cartilaginous
1590:
1586:
1578:
1576:
1574:
1570:
1566:
1565:
1564:Corythosaurus
1560:
1559:
1554:
1553:
1548:
1544:
1540:
1536:
1531:
1529:
1525:
1521:
1517:
1516:monumentensis
1514:
1510:
1506:
1502:
1498:
1494:
1490:
1487:
1483:
1479:
1475:
1467:
1462:
1455:
1448:
1447:
1439:
1438:
1430:
1429:
1421:
1420:
1412:
1411:
1403:
1402:
1399:
1398:
1397:
1390:
1389:
1386:
1385:
1382:
1381:
1380:
1379:Secernosaurus
1373:
1372:
1366:
1365:
1362:
1361:
1358:
1357:
1356:
1349:
1348:
1342:
1341:
1338:
1337:
1329:
1328:
1320:
1319:
1316:
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1314:
1307:
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1299:
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1297:
1290:
1289:
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1282:
1279:
1278:
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1273:
1266:
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1259:
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1243:
1242:
1235:
1234:
1228:
1227:
1224:
1223:
1220:
1219:
1218:
1211:
1210:
1204:
1200:
1199:
1195:
1193:
1189:
1184:
1182:
1178:
1174:
1170:
1169:
1164:
1160:
1156:
1155:
1150:
1146:
1139:
1135:
1128:
1123:
1116:
1114:
1112:
1108:
1103:
1101:
1097:
1093:
1089:
1085:
1081:
1077:
1073:
1069:
1068:type specimen
1065:
1059:
1056:
1052:
1045:
1043:
1041:
1037:
1033:
1029:
1025:
1021:
1020:
1014:
1012:
1011:
1006:
1002:
998:
997:Maastrichtian
994:
990:
986:
982:
978:
974:
970:
969:informal name
966:
963:, reflecting
962:
958:
954:
950:
946:
942:
938:
934:
930:
926:
922:
918:
914:
910:
906:
902:
898:
895:
891:
887:
883:
875:
871:
864:
862:
860:
857:
853:
849:
845:
841:
840:
835:
831:
827:
823:
819:
814:
811:
807:
803:
799:
794:
792:
788:
784:
780:
776:
771:
769:
765:
761:
757:
753:
749:
748:Bearpaw Shale
745:
741:
737:
733:
729:
725:
721:
717:
713:
709:
708:
698:
694:
692:
688:
684:
680:
676:
672:
668:
664:
660:
656:
652:
648:
644:
640:
636:
635:William Parks
632:
628:
624:
620:
616:
612:
611:
606:
605:
600:
596:
592:
588:
584:
580:
576:
572:
565:
561:
557:
550:
548:
546:
542:
539:
535:
531:
527:
526:
521:
517:
515:
511:
507:
503:
499:
495:
491:
487:
483:
482:North America
479:
476:
472:
468:
464:
461:
457:
453:
450:
446:
442:
438:
435:
431:
430:
418:Lambert, 1990
415:
414:
408:
407:Hadrosauravus
405:
404:
402:
399:
395:
386:
380:
376:
372:
367:
361:
357:
352:
346:
340:
334:
333:
331:
326:
321:
316:
315:
307:
304:
300:
297:
296:
289:
286:
285:
282:
276:
273:
272:
269:
268:Saurolophinae
263:
260:
259:
256:
255:Hadrosauridae
250:
247:
246:
243:
237:
234:
231:
230:
227:
221:
218:
215:
214:
211:
205:
202:
199:
198:
195:
192:
189:
186:
185:
182:
179:
176:
175:
172:
169:
166:
165:
162:
159:
156:
155:
150:
145:
141:
138:
134:
130:
126:
121:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
46:
39:
33:
29:
26:
22:
5710:
5675:
5668:
5660:
5648:
5617:
5599:
5592:
5585:
5578:
5571:
5564:
5557:
5550:
5543:
5536:
5529:
5522:
5515:
5508:
5501:
5494:
5488:Claorhynchus
5486:
5479:
5472:
5464:Nomina dubia
5462:
5452:Guegoolithus
5450:
5430:
5423:
5418:Staurichnium
5416:
5411:Sousaichnium
5409:
5402:
5395:
5388:
5381:
5374:
5367:
5362:Dakotasaurus
5360:
5355:Caririchnium
5353:
5346:
5339:
5332:
5325:
5269:
5237:
5230:
5223:
5216:
5209:
5202:
5182:
5175:
5168:
5161:Saurolophini
5148:
5141:
5134:
5128:
5127:
5120:
5112:
5105:Kritosaurini
5092:
5085:
5080:Huallasaurus
5078:
5071:
5052:Wulagasaurus
5050:
5043:
5036:
5029:
5022:
5015:
4995:
4967:
4960:
4953:
4946:
4941:Lambeosaurus
4939:
4932:
4925:
4918:
4898:
4891:
4884:
4877:
4857:
4850:
4843:
4836:
4828:
4821:
4814:
4807:
4800:
4793:
4786:
4779:
4772:
4765:
4743:Yamatosaurus
4741:
4734:
4727:
4720:
4713:
4708:Aquilarhinus
4706:
4680:
4673:
4666:
4659:
4654:Tethyshadros
4652:
4645:
4638:
4631:
4624:
4617:
4610:
4603:
4596:
4589:
4584:Plesiohadros
4582:
4575:
4568:
4561:
4556:Lophorhothon
4554:
4547:
4539:
4532:
4525:
4518:
4511:
4504:
4497:
4490:
4483:
4476:
4469:
4462:
4455:
4448:
4442:Batyrosaurus
4440:
4435:Bactrosaurus
4433:
4426:
4372:
4315:
4308:
4301:
4293:
4275:Ouranosaurus
4273:
4266:
4259:
4252:
4245:
4240:Brighstoneus
4238:
4231:
4207:
4200:
4193:
4186:
4179:
4172:
4167:Osmakasaurus
4165:
4160:Oblitosaurus
4158:
4151:
4144:
4137:
4130:
4123:
4116:
4109:
4102:
4094:
4087:
4082:Camptosaurus
4080:
4073:
4066:
4059:
4029:
4023:Kangnasaurus
4021:
4013:
4006:
3999:
3992:
3985:
3978:Dryosauridae
3965:
3958:
3951:
3913:
3906:
3899:
3892:
3885:
3880:Matheronodon
3878:
3858:
3851:
3843:
3821:
3813:
3805:
3780:
3773:
3766:
3759:
3754:Sektensaurus
3752:
3747:Qantassaurus
3745:
3738:
3730:
3723:
3716:
3709:
3702:
3696:Kangnasaurus
3694:
3687:
3680:
3673:
3665:
3660:Diluvicursor
3658:
3651:
3644:
3637:
3618:Vectidromeus
3616:
3609:
3601:
3579:
3572:
3565:
3483:Ornithischia
3468:Ornithischia
3420:
3411:
3407:Ornithischia
3402:
3393:
3298:
3291:
3266:
3262:
3256:
3244:. Retrieved
3240:the original
3235:
3225:
3216:
3206:
3193:
3163:(1): 21–43.
3160:
3157:Paleobiology
3156:
3136:. Retrieved
3132:
3123:
3112:. Retrieved
3110:. 2014-08-27
3107:
3098:
3086:. Retrieved
3082:the original
3078:NBC News.com
3077:
3067:
3055:. Retrieved
3050:
3041:
3029:. Retrieved
3024:
3014:
2990:. in press.
2987:
2981:
2951:
2942:
2933:
2929:
2925:
2916:
2888:
2881:
2872:
2868:
2859:
2850:
2846:
2837:
2828:
2822:(43): 29–48.
2819:
2815:
2811:
2807:
2798:
2789:
2785:
2776:
2766:21 September
2764:. Retrieved
2736:
2732:
2722:
2711:. Retrieved
2706:
2697:
2686:. Retrieved
2682:the original
2668:
2644:
2637:
2614:
2576:
2521:
2517:
2513:
2484:
2477:
2466:. Retrieved
2462:
2453:
2412:
2408:
2398:
2388:
2381:
2356:
2352:
2348:
2342:
2323:
2319:
2313:
2293:
2289:
2285:
2258:
2254:
2245:
2236:
2232:
2223:
2215:
2196:
2187:
2163:
2156:
2132:
2125:
2116:
2112:
2081:
2058:
2057:. Series 3.
2054:
2050:
2046:
2037:
2028:
2024:
2015:
1990:
1986:
1973:
1964:
1960:
1931:
1927:
1923:
1914:
1905:
1901:
1897:
1893:
1892:(1914). "On
1856:
1819:
1764:crocodilians
1737:
1728:
1722:
1716:
1714:ceratopsians
1707:
1694:
1688:
1678:
1668:
1650:
1649:
1622:
1608:
1599:Paleoecology
1584:
1582:
1568:
1562:
1558:Centrosaurus
1556:
1550:
1546:
1538:
1532:
1519:
1515:
1512:
1477:
1471:
1466:G. notabilis
1465:
1456:Paleobiology
1394:
1393:
1377:
1376:
1355:Aquilarhinus
1353:
1352:
1312:
1311:
1310:
1295:
1294:
1293:
1271:
1270:
1269:
1239:
1238:
1217:Wulagasaurus
1215:
1214:
1203:Kritosaurini
1191:
1185:
1180:
1176:
1172:
1166:
1163:Kritosaurini
1154:Tethyshadros
1152:
1144:
1143:
1137:
1126:
1106:
1104:
1099:
1096:G. notabilis
1095:
1091:
1083:
1075:
1071:
1063:
1062:
1055:G. notabilis
1054:
1039:
1035:
1031:
1027:
1023:
1018:
1015:
1008:
1005:saurolophine
1000:
988:
984:
976:
972:
957:G. notabilis
956:
940:
936:
929:G. notabilis
928:
924:
921:G. notabilis
920:
917:G. notabilis
916:
912:
908:
899:is from the
897:G. notabilis
896:
894:type species
889:
885:
882:G. notabilis
881:
879:
873:
847:
843:
837:
834:Kritosaurini
829:
825:
815:
805:
800:of Utah, in
795:
782:
774:
772:
759:
755:
751:
743:
739:
735:
731:
727:
723:
715:
711:
705:
703:
690:
686:
682:
678:
674:
670:
659:incurvimanus
658:
654:
650:
646:
642:
638:
630:
626:
618:
614:
608:
602:
599:Barnum Brown
570:
569:
563:
560:G. notabilis
559:
523:
519:
518:
485:
451:
436:
428:
427:
426:
411:
406:
384:
365:
350:
339:G. notabilis
338:
313:
312:
303:Type species
294:
293:
281:Kritosaurini
232:
216:
210:Ornithischia
200:
187:
132:
31:
25:
5741:Gryposaurus
5735:Wikispecies
5711:Gryposaurus
5677:Willinakaqe
5649:nomina nuda
5566:Siluosaurus
5531:Loncosaurus
5369:Dinehichnus
5211:Kamuysaurus
5184:Saurolophus
5136:Kritosaurus
5129:Gryposaurus
4962:Sahaliyania
4948:Magnapaulia
4920:Amurosaurus
4900:Tlatolophus
4879:Adelolophus
4823:Kazaklambia
4802:Blasisaurus
4795:Arenysaurus
4788:Aralosaurus
4722:Hadrosaurus
4715:Eotrachodon
4668:Yunganglong
4633:Sirindhorna
4605:Protohadros
4541:Koshisaurus
4534:Jintasaurus
4303:Comptonatus
4153:Napaisaurus
4139:Lurdusaurus
4111:Fukuisaurus
4089:Cedrorestes
4031:Valdosaurus
3894:Pareisactus
3725:Morrosaurus
3689:Isasicursor
3653:Chakisaurus
3549:Ornithopoda
3536:Ornithopoda
3495:Ornithopoda
3365:Ornithopoda
3133:EurekAlert!
3025:Reuters.com
2349:Gryposaurus
2314:Gryposaurus
2239:(1): 77–98.
2061:(4): 51–59.
2047:Kritosaurus
1924:Kritosaurus
1752:salamanders
1653:shared its
1595:extension.
1589:keratinized
1585:Gryposaurus
1569:Gryposaurus
1547:Gryposaurus
1539:Gryposaurus
1533:Like other
1522:was both a
1486:quadrupedal
1478:Gryposaurus
1474:hadrosaurid
1396:Willinakaqe
1241:Kritosaurus
1192:Gryposaurus
1181:Gryposaurus
1177:Kritosaurus
1173:Gryposaurus
1168:Kritosaurus
1159:Jack Horner
1145:Gryposaurus
1140:restoration
1138:G. alstasei
1127:Gryposaurus
1111:nasal bones
1107:Gryposaurus
1092:G. latidens
1084:Gryposaurus
1064:Gryposaurus
1046:Description
1032:Kritosaurus
1028:Gryposaurus
1024:Kritosaurus
1010:Saurolophus
1001:Kritosaurus
985:Gryposaurus
943:, from the
941:G. latidens
931:along with
886:G. latidens
844:Gryposaurus
839:Kritosaurus
830:Gryposaurus
826:Kritosaurus
783:G. latidens
775:G. latidens
760:Gryposaurus
756:Hadrosaurus
752:Gryposaurus
740:Hadrosaurus
732:Gryposaurus
728:Kritosaurus
716:Kritosaurus
712:Gryposaurus
707:Hadrosaurus
691:Kritosaurus
687:Gryposaurus
679:Kritosaurus
675:Gryposaurus
671:Kritosaurus
665:and Wright
631:Kritosaurus
627:Gryposaurus
619:Kritosaurus
615:Gryposaurus
604:Kritosaurus
571:Gryposaurus
538:quadrupedal
525:Kritosaurus
520:Gryposaurus
486:Gryposaurus
429:Gryposaurus
413:nomen nudum
385:G. alsatei?
351:G. latidens
343:Lambe, 1914
295:Gryposaurus
261:Subfamily:
242:Ornithopoda
43:80–75
32:Gryposaurus
5811:Categories
5619:Arkharavia
5594:Tichosteus
5587:Thespesius
5559:Pteropelyx
5552:Orthomerus
5432:Wintonopus
5017:Acristavus
4997:Barsboldia
4955:Olorotitan
4830:Latirhinus
4682:Zuoyunlong
4549:Levnesovia
4499:Gobihadros
4464:Datonglong
4457:Claosaurus
4428:Altirhinus
4338:see below↓
4268:Morelladon
4146:Magnamanus
4118:Hippodraco
3987:Dryosaurus
3960:Hesperonyx
3935:Dryomorpha
3775:Trinisaura
3768:Tietasaura
3761:Talenkauen
3639:Anabisetia
3504:see below↓
3398:Dinosauria
3246:9 November
3138:2021-08-22
3114:2021-08-22
2814:, Parks".
2713:2009-06-16
2688:2007-05-22
2494:1026402631
2468:2021-06-20
2031:: 279–302.
1803:References
1776:marsupials
1666:troodontid
1640:Appalachia
1628:Cretaceous
1579:Nasal arch
1520:Gryposaurs
1499:, and its
1036:Dinosauria
965:iguanodont
933:postcrania
848:G. alsatei
810:predentary
720:hypothesis
562:(formerly
547:settings.
530:Roman nose
460:duckbilled
194:Dinosauria
21:Gyposaurus
5601:Trachodon
5517:Glishades
5496:Diclonius
5334:Anomoepus
5318:Ichnotaxa
5031:Maiasaura
4969:Velafrons
4478:Equijubus
4450:Choyrodon
4310:Iguanodon
4174:Planicoxa
4104:Dakotadon
4075:Calvarius
3901:Rhabdodon
3887:Mochlodon
3630:Elasmaria
3381:Kingdom:
3283:131302174
3088:3 October
3057:3 October
3031:3 October
3027:. Reuters
2908:985402380
2761:133329640
2445:133329640
2437:0022-3360
2373:220413406
1940:2246/1398
1662:theropods
1636:Laramidia
1489:herbivore
1188:cladogram
1149:subfamily
856:Mescalero
793:species.
764:upper arm
667:monograph
577:specimen
541:herbivore
475:Campanian
471:Santonian
167:Kingdom:
161:Eukaryota
5720:Wikidata
5481:Cionodon
5150:Rhinorex
5038:Ornatops
4838:Minqaria
4809:Canardia
4736:Malefica
4661:Xuwulong
4626:Siamodon
4527:Jeyawati
4513:Gonkoken
4471:Eolambia
4295:Barilium
4096:Cumnoria
4061:Barilium
3967:Owenodon
3953:Draconyx
3915:Zalmoxes
3815:Fostoria
3667:Fostoria
3425:Cerapoda
3389:Chordata
3387:Phylum:
3383:Animalia
3185:88689241
3006:55969908
2950:(2002).
2792:: 25–81.
2546:83539808
2296:: 1–119.
1981:(1914).
1786:See also
1733:and the
820:and the
575:based on
504:and the
473:to late
463:dinosaur
398:Synonyms
328:Species
248:Family:
181:Chordata
177:Phylum:
171:Animalia
157:Domain:
5781:1095993
5768:4823293
5755:4531707
5726:Q385949
4774:Ajnabia
4209:Uteodon
3165:Bibcode
2936:: 1–76.
2741:Bibcode
2619:312–348
2526:Bibcode
2417:Bibcode
1995:Bibcode
1768:mammals
1760:lizards
1756:turtles
1528:browser
1497:chewing
1482:bipedal
1038:, with
961:derived
865:Species
859:Apaches
791:derived
787:bonebed
726:, uses
534:bipedal
502:Montana
494:Alberta
452:gryphus
445:griffin
375:Sampson
287:Genus:
274:Tribe:
112:↓
5443:Ootaxa
4640:Tanius
4233:Bolong
3305:
3281:
3183:
3004:
2958:
2906:
2896:
2759:
2656:
2625:
2589:
2585:–463.
2544:
2492:
2443:
2435:
2371:
2203:
2175:
2144:
2088:
1869:
1865:–448.
1826:
1778:, and
1712:, the
1703:, the
1664:, the
1543:marine
1526:and a
1524:grazer
1493:plants
1201:
1088:limpet
892:. The
888:, and
852:Alsate
846:named
641:, not
478:stages
469:(late
441:lizard
437:grypos
377:, 2007
373:&
358:, 1992
356:Horner
322:, 1914
5794:53014
5776:IRMNG
4485:Fylax
4015:Iyuku
3421:Clade
3412:Clade
3403:Clade
3394:Clade
3279:S2CID
3181:S2CID
3002:S2CID
2757:S2CID
2542:S2CID
2441:S2CID
2369:S2CID
2229:(PDF)
1748:frogs
1687:like
1677:like
1573:river
1509:cheek
1501:teeth
1472:As a
1030:with
903:-age
876:skull
768:ilium
545:river
480:) of
456:genus
449:Latin
434:Greek
371:Gates
320:Lambe
233:Clade
217:Clade
201:Clade
188:Clade
5763:GBIF
4181:Proa
3853:Iani
3481:see
3454:see
3303:ISBN
3248:2013
3090:2007
3059:2007
3033:2007
2956:ISBN
2904:OCLC
2894:ISBN
2768:2016
2654:ISBN
2623:ISBN
2587:ISBN
2490:OCLC
2433:ISSN
2201:ISBN
2173:ISBN
2142:ISBN
2086:ISBN
2029:98-Q
1867:ISBN
1824:ISBN
1762:and
1727:and
1693:and
1644:peat
1619:Utah
1098:and
1080:skin
828:and
766:and
663:Lull
653:and
629:and
510:Utah
51:Preęž’
5750:EoL
3271:doi
3211:pp.
3173:doi
2992:doi
2928:".
2749:doi
2583:438
2534:doi
2425:doi
2361:doi
2328:doi
2324:151
2169:161
2138:158
2053:".
2003:doi
1936:hdl
1926:".
1900:".
1863:445
1070:of
951:of
738:as
579:NMC
573:is
508:of
500:in
492:in
458:of
5813::
5791::
5778::
5765::
5752::
5737::
5722::
3423::
3414::
3405::
3396::
3277:.
3267:25
3265:.
3234:.
3179:.
3171:.
3159:.
3147:^
3131:.
3106:.
3076:.
3049:.
3023:.
3000:.
2986:.
2970:^
2934:11
2932:.
2902:.
2873:40
2851:40
2820:38
2818:.
2788:.
2755:.
2747:.
2735:.
2731:.
2705:.
2652:.
2650:64
2621:.
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2554:^
2540:.
2532:.
2522:30
2520:.
2502:^
2488:.
2461:.
2439:.
2431:.
2423:.
2413:90
2411:.
2407:.
2367:.
2357:26
2355:.
2322:.
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2302:^
2292:.
2267:^
2259:40
2237:51
2235:.
2231:.
2171:.
2140:.
2117:53
2115:.
2100:^
2067:^
2059:13
2049:,
2027:.
2001:.
1991:25
1989:.
1985:.
1965:35
1948:^
1932:28
1930:.
1906:27
1904:.
1881:^
1838:^
1810:^
1782:.
1774:,
1758:,
1754:,
1750:,
1721:,
1699:,
1683:,
1673:,
1567:.
1530:.
1513:G.
1476:,
1183:.
987:,
939:.
884:,
781:,
770:.
714:,
693:.
439:)
235::
219::
203::
190::
101:Pg
45:Ma
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5055:?
4833:?
4544:?
4445:?
4320:?
4298:?
4099:?
4026:?
4018:?
3848:?
3837:?
3826:?
3818:?
3810:?
3785:?
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3670:?
3621:?
3606:?
3595:?
3584:?
3357:e
3350:t
3343:v
3311:.
3285:.
3273::
3250:.
3187:.
3175::
3167::
3161:1
3141:.
3117:.
3092:.
3061:.
3035:.
3008:.
2994::
2980:"
2964:.
2910:.
2790:3
2770:.
2751::
2743::
2737:1
2716:.
2691:.
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2631:.
2595:.
2548:.
2536::
2528::
2496:.
2471:.
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2427::
2419::
2375:.
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2336:.
2330::
2294:2
2209:.
2181:.
2150:.
2094:.
2009:.
2005::
1997::
1942:.
1938::
1875:.
1832:.
1484:/
1468:.
1129:.
673:/
536:/
447:(
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382:â€
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348:â€
336:â€
310:â€
291:â€
278:â€
265:â€
252:â€
239:â€
223:â€
207:â€
106:N
96:K
91:J
86:T
81:P
76:C
71:D
66:S
61:O
56:ęž’
23:.
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