4144:
4151:
4164:
3290:
3279:
4452:
4171:
4157:
137:
937:
3325:
4428:
3273:
119:
3297:
381:
3284:
4440:
822:
2316:
567:(hip socket) is open. The peduncles of the ilium are short, resulting in a low and axially elongated acetabulum. The upper region of the ischium is wide, larger than that of the pubic bone. The metacarpals of the hand are apparently elongated, measuring about fifteen millimeters.
1234:
Desojo, Julia B.; Fiorelli, Lucas E.; Ezcurra, Martín D.; Martinelli, Agustín G.; Ramezani, Jahandar; Da Rosa, Átila A. S.; von Baczko, M. Belén; Trotteyn, M. Jimena; Montefeltro, Felipe C.; Ezpeleta, Miguel; Langer, Max C. (2020-07-29).
425:
with teeth, and incomplete right mandibular ramus (lower jaw), six incomplete cervical vertebrae, seven incomplete dorsal vertebrae, molds of five sacral vertebrae, a rib and several rib fragments, a fragmentary right
2241:
Rogers, R. R.; Swisher III, C.C.; Sereno, P.C.; Monetta, A.M.; Forster, C.A.; Martinez, R.N. (1993). "The
Ischigualasto tetrapod assemblage (Late Triassic, Argentina) and 40Ar/39Ar dating of dinosaur origins".
1745:
D. B. Norman, L. M. Witmer, and D. B. Weishampel. 2004. Basal
Ornithischia. In D. B. Weishampel, H. Osmolska, and P. Dodson (eds.), The Dinosauria (2nd edition). University of California Press, Berkeley
540:
was a small, lightly built dinosauriform, reaching 1–1.3 m (3.3–4.3 ft) in length and 2 kg (4.4 lb) in body mass. These estimates vary due to the incompleteness of the
971:
was also found as a silesaurid in a 2018 paper which combined the descriptive work of
Agnolin and Rozadilla (2017) with the phylogenetic matrix of Baron, Norman, & Barrett (2017).
1091:, Rafael Herbst and the preparators Martín Vince and Scaglia in 1962, and is housed in the collection of the Laboratorio de Paleontologia de Vertebrados, Instituto "Miguel Lillo", in
4397:
1106:
was a volcanically active floodplain covered by forests, with a warm and humid climate, though subject to seasonal variations including strong rainfalls. Vegetation consisted of
4610:
967:
was a silesaurid: one was an expansive redescription by
Agnolin and Rozadilla, and the other was a re-analyzed Ornithoscelida matrix by Baron, Norman, & Barrett.
4541:
1237:"The Late Triassic Ischigualasto Formation at Cerro Las Lajas (La Rioja, Argentina): fossil tetrapods, high-resolution chronostratigraphy, and faunal correlations"
2358:
4528:
4630:
3361:
2163:
1449:
544:
specimen PVL 2577. The orientation of the pubis is uncertain, with some skeletal reconstructions having it projecting down and forward (the
2107:
978:
is reliant on the placement of silesaurids as a whole, a situation which has invited much debate. While
Silesauridae is often considered a
2052:
Novas, Fernando E.; Agnolin, Federico L.; Ezcurra, Martín D.; Temp Müller, Rodrigo; Martinelli, Agustín G.; Langer, Max C. (2021-10-01).
4600:
4143:
365:
924:
has not fallen out of favor despite competition from alternative hypothesis. Silesaurid-like traits, for example, may be dinosaurian
1495:
4163:
2328:
1861:
4625:
925:
4150:
402:
discovered in 1962 by
Galileo Juan Scaglia at the Hoyada del Cerro Las Lajas locality (also known as Agua de Las Catas) in the
4170:
3289:
1809:
Baron, M.G.; Norman, D.B.; Barrett, P.M. (2017). "A new hypothesis of dinosaur relationships and early dinosaur evolution".
4620:
2351:
1126:
remains appear to have been the most common among the carnivores of the
Ischigualasto Formation. Sereno (1993) noted that
4418:
4156:
1873:
XXIX Jornadas
Argentinas de Paleontología de Vertebrados. 27–29 de Mayo de 2015. Diamante, Entre Ríos. Libro de Resúmenes
992:
ancestral to ornithischian dinosaurs in particular. One such study is Müller & Garcia (2020). Although they regarded
3278:
786:. The family Pisanosauridae has fallen into disuse; a 1976 study considered the group synonymous with the already named
407:
136:
4615:
4114:
2165:
Stable isotope analysis of fossil plants from the Upper
Triassic Ischigualasto Formation in the northwest of Argentina
1756:
Langer, M. C.; Ezurra, M. D.; Bittencourt, J. S.; Novas, F. E. (2009). "The origin and early evolution of dinosaurs".
1353:
3354:
3328:
1435:
1088:
2464:
1997:"A paraphyletic 'Silesauridae' as an alternative hypothesis for the initial radiation of ornithischian dinosaurs"
3296:
1693:
Irmis, R.B.; Parker, W.G.; Nesbitt, S.J.; Liu, J. (2007). "Early ornithischian dinosaurs: the
Triassic record".
126:
Reconstruction of the skull, white bones are known, light grey bones were known from heavily eroded impressions
4595:
3449:
3207:
2344:
1092:
2320:
4605:
1439:
1103:
1066:
525:
368:
in northwestern Argentina. This part of the formation has been dated to the late Carnian, approximately 229
361:
421:
a specimen given the designation PVL 2577, which consists of a partial skull including a fragmentary right
4468:
3545:
2901:
1710:
1514:
853:
3272:
4567:
3791:
3347:
2991:
241:
2054:"Review of the fossil record of early dinosaurs from South America, and its phylogenetic implications"
4515:
4059:
3814:
3283:
2729:
2251:
2199:
2122:
2065:
1818:
1702:
1667:
1609:
1431:
1365:
1248:
1119:
1084:
389:
2169:
1715:
4456:
4091:
3666:
2437:
880:
864:
787:
622:
4376:
4103:
3230:
2275:
2223:
1974:
1935:
1842:
1791:
1728:
1633:
1579:
1381:
1325:
989:
797:
has been the topic of debate by scientists for over 40 years; until 2017, the consensus was that
131:
2138:
4572:
4506:
4554:
4546:
4344:
3696:
2267:
2215:
2081:
2034:
2016:
1834:
1783:
1625:
1491:
1445:
1284:
1266:
1041:
887:
is the earliest and most primitive ornithischian. This assignment is also supported by Norman
657:
556:
467:
369:
4559:
4444:
4432:
3923:
2885:
2645:
2449:
2259:
2207:
2130:
2073:
2024:
2008:
1966:
1925:
1917:
1826:
1773:
1765:
1720:
1675:
1617:
1569:
1561:
1373:
1274:
1256:
1202:
779:
275:
4366:
4071:
3939:
3434:
3409:
3318:
3196:
3139:
2750:
2528:
2506:
2476:
2367:
2190:
Sereno, P.C.; Novas, F.E. (1992). "The complete skull and skeleton of an early dinosaur".
1189:
1074:
956:
497:
327:
1087:, deposited approximately 228 to 216.5 million years ago. This specimen was collected by
899:
hypothesis of Baron, Norman & Barrett (2017). Other primitive ornithischians include
2255:
2203:
2126:
2069:
1822:
1706:
1671:
1613:
1369:
1252:
805:, part of a diverse group of dinosaurs which lived during nearly the entire span of the
350:, that could grow up to an estimated 1 m (3.3 ft) long. Only one species, the
4381:
4361:
4312:
4237:
4022:
3932:
3870:
3835:
3762:
3313:
3169:
2670:
2583:
2549:
2103:
2099:
2029:
1996:
1876:
1309:
1279:
1236:
1197:
1035:
896:
872:
710:
505:
493:
1049:
a silesaur and others consider it an ornithischian, as following Müller & Garcia,
936:
512:
was described and named by Argentine paleontologist Rodolfo Casamiquela in 1967. The
4589:
4329:
4279:
4037:
4008:
3994:
3978:
3863:
3856:
3755:
3675:
3599:
3592:
3560:
3162:
3155:
3111:
3090:
3045:
2908:
2699:
2134:
2053:
1901:
1846:
1769:
1637:
1527:
1512:
Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages
1180:
1166:
1150:
1078:
638:
403:
339:
69:
30:
2279:
1978:
1939:
1795:
1732:
1583:
1465:
1385:
4371:
4322:
4265:
4251:
4244:
4199:
4015:
3970:
3898:
3877:
3780:
3654:
3646:
3576:
3511:
3498:
3461:
3370:
3184:
3103:
3035:
2980:
2915:
2873:
2866:
2816:
2707:
2654:
2598:
2574:
2293:
Bonaparte, J.F. (1970). "Annotated list of the South American Triassic tetrapods".
2227:
1679:
1008:. It acts a transitional form positioned on a rung between the "silesaurid" grade (
1001:
997:
982:
960:
875:
and has also been considered the earliest known ornithischian. A 2008 study placed
845:
837:
810:
802:
584:
545:
513:
443:
351:
335:
331:
197:
2211:
1970:
1921:
1565:
118:
2263:
2077:
1600:
Matthew G. Baron; David B. Norman; Paul M. Barrett (2017). "Baron et al. reply".
1548:
Agnolín, Federico L.; Rozadilla, Sebastián (2017). "Phylogenetic reassessment of
1211:. These non-dinosaurian herbivores were much more abundant than early dinosaurs.
4500:
4300:
4272:
4230:
4223:
4216:
4048:
3947:
3912:
3849:
3803:
3735:
3614:
3584:
3537:
3529:
3148:
3127:
3119:
3076:
2929:
2922:
2894:
2837:
2830:
2791:
2685:
2678:
2628:
2605:
2591:
2560:
1651:
1490:(2nd ed.). Princeton, New Jersey: Princeton University Press. p. 239.
1207:
1192:
1175:
1144:
1010:
913:
907:
868:
856:. However, recent studies suggest that the fossils belong to a single specimen.
849:
695:
471:
44:
1552:
Casamiquela, 1967, a basal dinosauriform from the Late Triassic of Argentina".
1261:
380:
4293:
4286:
4080:
4029:
4001:
3986:
3962:
3905:
3884:
3769:
3748:
3724:
3717:
3703:
3689:
3638:
3630:
3606:
3055:
3025:
3008:
2943:
2936:
2851:
2781:
2771:
2692:
2663:
2612:
2422:
2397:
1724:
1377:
1160:, all of whom lived in its paleoenvironment. Bonaparte (1976) postulated that
1139:
1135:
1131:
1022:
1016:
945:
841:
681:
564:
549:
459:
435:
89:
54:
2336:
2085:
2020:
1906:
Casamiquela, 1967, a basal dinosauriform from the Late Triassic of Argentina"
1270:
1205:(somewhat similar in overall form to dicynodonts, but lacking beaks) such as
4258:
3891:
3682:
3568:
3219:
2844:
2718:
2406:
1111:
1096:
1070:
986:
979:
754:
490:
475:
463:
411:
347:
343:
148:
94:
38:
4491:
2271:
2219:
2038:
2012:
1957:
and the Triassic ornithischian crisis: could phylogeny offer a solution?".
1838:
1787:
1629:
1288:
2315:
1045:, etc.). This phylogenetic position may explain why some authors consider
928:(ancestral conditions) rather than unique characteristics of silesaurids.
821:
809:. More recently, some authors have begun to consider it a non-dinosaurian
4485:
4209:
3710:
3553:
3418:
3394:
3065:
2963:
2802:
2391:
1185:
1156:
1029:
951:
A phylogenetic analysis informally conducted by Agnolin (2015) recovered
901:
806:
541:
431:
418:
399:
181:
168:
84:
79:
64:
59:
49:
1830:
1778:
1621:
4533:
4337:
3400:
1930:
1574:
1329:
1164:
played a role in a fauna dominated by therapsids. The large carnivore
1115:
1081:
517:
439:
427:
422:
320:
99:
74:
3388:
2385:
1408:
Casamiquela, R.M. (1967). "Un nuevo dinosaurio ornitisquio triásico (
479:
455:
158:
4462:
384:
Reconstructed skeleton reflecting the traditional interpretation of
1866:
Casamiquela, 1967 (Dinosauriformes) y sus implicancias taxonómicas"
935:
820:
501:
451:
447:
379:
323:
4520:
1352:
Butler, Richard J.; Upchurch, Paul and Norman; David, B. (2008).
963:. In 2017, two studies independently came to the conclusion that
360:, is known, based on a single partial skeleton discovered in the
3955:
3236:
2168:. Houston, TX: The Geological Society of America. Archived from
1107:
482:) from the fourth toe, and an indeterminate long bone fragment.
4466:
4186:
3496:
3381:
3343:
3339:
2378:
2340:
1444:(Abridged ed.). United Kingdom: Oxford University Press.
813:, though this hypothesis has not reached a consensus either.
302:
1995:
Müller, Rodrigo Temp; Garcia, Maurício Silva (August 2020).
1959:
Historical Biology: An International Journal of Paleobiology
1658:, "fabrosaurids", and the early evolution of Ornithischia".
536:
Based on the known fossil elements from a partial skeleton,
1065:
were discovered in the "Agua de las Catas" locality at the
308:
293:
1412:; Ornithopoda) de la Formación Ischigualasto, Argentina".
489:
means "Pisano’s lizard" and combines "Pisano" in honor of
1195:(stocky, front-heavy beaked quadrupedal animals) such as
825:
Restoration reflecting the traditional interpretation of
287:
281:
2108:"Triassic environments, climates, and reptile evolution"
836:
has traditionally been classified as very basal within
613:
790:, though this is not followed by more recent studies.
4416:
4398:
List of stratigraphic units with ornithischian tracks
1595:
1593:
782:
erected by Casamiquela in the same paper which named
478:
from the third toe and five phalanges (including the
311:
299:
290:
284:
3193:
3087:
3072:
3061:
3051:
3041:
3031:
3021:
2977:
2813:
2798:
2787:
2777:
2767:
2642:
2571:
2556:
2545:
528:
honors the late Araucanian naturalist Carlos Merti.
305:
278:
4475:
4390:
4354:
4310:
4197:
4102:
4079:
4070:
4047:
3922:
3833:
3802:
3779:
3734:
3665:
3509:
3460:
3433:
3218:
3192:
3183:
3138:
3086:
3006:
2976:
2961:
2884:
2812:
2748:
2717:
2653:
2641:
2626:
2570:
2526:
2475:
2448:
2421:
1900:Agnolín, Federico L.; Rozadilla, Sebastián (2017).
446:, an impression of three metacarpals, the complete
296:
1077:, this formation is now believed to belong to the
2115:Palaeogeography, Palaeoclimatology, Palaeoecology
1316:Casamiquela and the origin of the Ornithischia".
346:. It was a small, lightly built, ground-dwelling
1347:
1345:
1343:
1341:
1339:
1528:"The Dinosaur Family Tree: What is a dinosaur?"
1304:
1302:
1300:
1298:
920:The hypothesis of ornithischian affinities for
1530:. University of Maryland Department of Geology
1354:"The phylogeny of the ornithischian dinosaurs"
548:condition) similar to that of the majority of
3355:
2352:
1403:
1401:
765:as the earliest example of an ornithischian.
8:
4463:
4194:
4183:
4076:
3841:
3740:
3521:
3517:
3506:
3493:
3439:
3430:
3378:
3362:
3348:
3340:
3189:
3095:
3014:
2973:
2969:
2822:
2760:
2756:
2650:
2638:
2634:
2538:
2534:
2523:
2454:
2427:
2418:
2375:
2359:
2345:
2337:
563:has some distinctive characteristics. The
117:
20:
2295:Gondwana Symposium Proceedings and Papers
2028:
1929:
1777:
1714:
1573:
1278:
1260:
985:of dinosaurs, some studies consider it a
2058:Journal of South American Earth Sciences
955:as a possible non-dinosaurian member of
4611:Late Triassic reptiles of South America
4423:
1219:
1488:The Princeton Field Guide to Dinosaurs
1130:was found in "close association" with
1027:etc.) and traditional ornithischians (
1990:
1988:
7:
1229:
1227:
1225:
1223:
844:seem to lack any good ornithischian
1910:Journal of Systematic Palaeontology
1554:Journal of Systematic Palaeontology
1358:Journal of Systematic Palaeontology
1122:forests along the banks of rivers.
1004:form a step-wise arrangement up to
1000:, taxa often considered members of
757:of basal Ornithischia after Butler
688:
629:
617:
591:
579:
1660:Journal of Vertebrate Paleontology
1174:. Herbivores were represented by
398:is known from a single fragmented
14:
2162:Columbi, Carina E. (2008-10-05).
879:outside of (and more basal than)
4450:
4438:
4426:
4169:
4162:
4155:
4149:
4142:
3324:
3323:
3295:
3288:
3282:
3277:
3271:
2314:
1770:10.1111/j.1469-185X.2009.00094.x
761:(2008), showing the position of
555:According to a redescription by
274:
135:
366:Ischigualasto-Villa Unión Basin
16:Extinct genus of dinosauriforms
2333:from the PaleoBiology Database
1902:"Phylogenetic reassessment of
1680:10.1080/02724634.1991.10011386
388:as an ornithischian dinosaur,
1:
4631:Fossil taxa described in 1967
2212:10.1126/science.258.5085.1137
1971:10.1080/08912963.2017.1410705
1922:10.1080/14772019.2017.1352623
1566:10.1080/14772019.2017.1352623
1526:Holtz, Thomas R. Jr. (2006).
895:(2009) and the controversial
852:in 1991 that the fossil is a
848:and it was even suggested by
2264:10.1126/science.260.5109.794
2135:10.1016/0031-0182(82)90034-7
2078:10.1016/j.jsames.2021.103341
1862:"Nuevas observaciones sobre
1860:Federico L. Agnolin (2015).
1510:Holtz, Thomas R. Jr. (2008)
829:as an ornithischian dinosaur
793:The exact classification of
1053:has traits of both groups.
470:element with a metatarsal,
4647:
4601:Prehistoric reptile genera
2368:Avemetatarsalia / Pan-Aves
1953:Matthew G. Baron (2018). "
1262:10.1038/s41598-020-67854-1
1188:(spiny armored reptiles);
1073:. Originally dated to the
508:(σαύρα) meaning "lizard".
4193:
4182:
4139:
3844:
3743:
3524:
3520:
3505:
3492:
3442:
3429:
3377:
3308:
3269:
3098:
3017:
2972:
2825:
2763:
2759:
2637:
2541:
2537:
2522:
2503:
2457:
2430:
2417:
2374:
1725:10.1080/08912960600719988
1515:Supplementary Information
1378:10.1017/S1477201907002271
863:has been classified as a
774:is the type genus of the
708:
693:
686:
653:
634:
627:
615:
596:
589:
434:, molds of a fragmentary
247:
240:
132:Scientific classification
130:
125:
116:
23:
817:Ornithischian hypothesis
4626:Ischigualasto Formation
1875:: 13–14. Archived from
1441:A Greek-English Lexicon
1318:Journal of Paleontology
1104:Ischigualasto Formation
1089:José Fernando Bonaparte
1067:Ischigualasto Formation
496:Juan Arnaldo Pisano of
404:Ischigualasto Formation
362:Ischigualasto Formation
2013:10.1098/rsbl.2020.0417
948:
830:
458:, with an articulated
392:
4568:Paleobiology Database
1432:Liddell, Henry George
1093:San Miguel de Tucumán
939:
932:Silesaurid hypothesis
824:
383:
4621:Fossils of Argentina
2325:at Wikimedia Commons
1486:Paul, G. S. (2016).
1184:(a beaked reptile);
801:is the oldest known
390:Royal Ontario Museum
376:Discovery and naming
3667:Heterodontosauridae
2256:1993Sci...260..794R
2204:1992Sci...258.1137S
2198:(5085): 1137–1140.
2127:1982PPP....40..361T
2070:2021JSAES.11003341N
1955:Pisanosaurus mertii
1904:Pisanosaurus mertii
1864:Pisanosaurus mertii
1831:10.1038/nature21700
1823:2017Natur.543..501B
1707:2007HBio...19....3I
1672:1991JVPal..11..168S
1622:10.1038/nature24012
1614:2017Natur.551E...4B
1550:Pisanosaurus mertii
1410:Pisanosaurus mertii
1370:2008JSPal...6....1B
1314:Pisanosaurus mertii
1253:2020NatSR..1012782D
881:Heterodontosauridae
788:Heterodontosauridae
623:Heterodontosauridae
587:
522:Pisanosaurus mertii
357:Pisanosaurus mertii
254:Pisanosaurus mertii
4616:Triassic Argentina
4377:Hypsilophodontidae
4115:Pachycephalosauria
4104:Pachycephalosauria
2104:Benton, Michael J.
2100:Tucker, Maurice E.
1758:Biological Reviews
1695:Historical Biology
1241:Scientific Reports
1170:may have fed upon
1148:and the dinosaurs
996:as the basal-most
949:
831:
583:
504:"saurus" from the
474:III and IV, three
393:
4583:
4582:
4555:Open Tree of Life
4469:Taxon identifiers
4414:
4413:
4410:
4409:
4406:
4405:
4345:Serendipaceratops
4178:
4177:
4137:
4136:
4133:
4132:
4129:
4128:
4125:
4124:
3829:
3828:
3825:
3824:
3697:Heterodontosaurus
3488:
3487:
3484:
3483:
3480:
3479:
3337:
3336:
3304:
3303:
3267:
3266:
3263:
3262:
3259:
3258:
3255:
3254:
3251:
3250:
3247:
3246:
3179:
3178:
3002:
3001:
2957:
2956:
2953:
2952:
2744:
2743:
2740:
2739:
2622:
2621:
2518:
2517:
2514:
2513:
2499:
2498:
2495:
2494:
2319:Media related to
2250:(5109): 794–797.
1817:(7646): 501–506.
1451:978-0-19-910207-5
1042:Heterodontosaurus
974:The placement of
883:. In this study,
865:heterodontosaurid
769:
768:
748:
747:
739:
738:
730:
729:
721:
720:
670:
669:
658:Heterodontosaurus
408:La Rioja Province
370:million years ago
265:
264:
260:Casamiquela, 1967
221:
220:Casamiquela, 1967
4638:
4576:
4575:
4563:
4562:
4550:
4549:
4537:
4536:
4524:
4523:
4511:
4510:
4509:
4496:
4495:
4494:
4464:
4455:
4454:
4453:
4443:
4442:
4441:
4431:
4430:
4429:
4422:
4195:
4184:
4173:
4167:
4166:
4160:
4159:
4153:
4147:
4146:
4077:
3924:Thescelosauridae
3842:
3741:
3522:
3518:
3507:
3494:
3440:
3431:
3424:
3423:
3379:
3364:
3357:
3350:
3341:
3327:
3326:
3299:
3293:
3292:
3286:
3281:
3275:
3195:
3190:
3096:
3089:
3074:
3063:
3053:
3043:
3033:
3023:
3015:
2979:
2974:
2970:
2886:Sulcimentisauria
2823:
2815:
2800:
2789:
2779:
2769:
2761:
2757:
2651:
2646:Pterosauromorpha
2644:
2639:
2635:
2573:
2558:
2547:
2539:
2535:
2524:
2465:Archosauromorpha
2455:
2450:Archosauromorpha
2428:
2419:
2412:
2411:
2376:
2361:
2354:
2347:
2338:
2318:
2303:
2302:
2290:
2284:
2283:
2238:
2232:
2231:
2187:
2181:
2180:
2178:
2177:
2159:
2153:
2152:
2150:
2149:
2143:
2137:. Archived from
2112:
2096:
2090:
2089:
2049:
2043:
2042:
2032:
1992:
1983:
1982:
1950:
1944:
1943:
1933:
1897:
1891:
1890:
1888:
1887:
1881:
1870:
1857:
1851:
1850:
1806:
1800:
1799:
1781:
1753:
1747:
1743:
1737:
1736:
1718:
1690:
1684:
1683:
1648:
1642:
1641:
1597:
1588:
1587:
1577:
1545:
1539:
1538:
1536:
1535:
1523:
1517:
1508:
1502:
1501:
1483:
1477:
1476:
1474:
1472:
1462:
1456:
1455:
1428:
1422:
1421:
1405:
1396:
1395:
1393:
1392:
1349:
1334:
1333:
1306:
1293:
1292:
1282:
1264:
1231:
859:Over the years,
689:
630:
618:
592:
580:
575:
574:
318:
317:
314:
313:
310:
307:
304:
301:
298:
295:
292:
289:
286:
283:
280:
256:
252:
219:
212:
201:
196:
140:
139:
121:
111:
41:
29:Temporal range:
21:
4646:
4645:
4641:
4640:
4639:
4637:
4636:
4635:
4596:Dinosauromorphs
4586:
4585:
4584:
4579:
4571:
4566:
4558:
4553:
4545:
4540:
4532:
4527:
4519:
4514:
4505:
4504:
4499:
4490:
4489:
4484:
4471:
4461:
4451:
4449:
4439:
4437:
4427:
4425:
4417:
4415:
4402:
4386:
4367:Phytodinosauria
4350:
4306:
4189:
4174:
4161:
4154:
4141:
4121:
4098:
4072:Marginocephalia
4066:
4043:
3940:Changchunsaurus
3918:
3838:
3821:
3798:
3775:
3730:
3661:
3514:
3501:
3476:
3456:
3450:Avemetatarsalia
3435:Avemetatarsalia
3425:
3410:Avemetatarsalia
3384:
3383:
3373:
3368:
3338:
3333:
3319:Phytodinosauria
3300:
3287:
3243:
3214:
3208:Sauropodomorpha
3197:Sauropodomorpha
3175:
3140:Herrerasauridae
3134:
3082:
3011:
2998:
2966:
2949:
2880:
2808:
2753:
2751:Dinosauromorpha
2736:
2713:
2631:
2618:
2566:
2531:
2529:Avemetatarsalia
2510:
2507:Avemetatarsalia
2491:
2477:Avemetatarsalia
2471:
2444:
2413:
2381:
2380:
2370:
2365:
2311:
2306:
2292:
2291:
2287:
2240:
2239:
2235:
2189:
2188:
2184:
2175:
2173:
2161:
2160:
2156:
2147:
2145:
2141:
2110:
2098:
2097:
2093:
2051:
2050:
2046:
2007:(8): 20200417.
2001:Biology Letters
1994:
1993:
1986:
1952:
1951:
1947:
1916:(10): 853–879.
1899:
1898:
1894:
1885:
1883:
1879:
1868:
1859:
1858:
1854:
1808:
1807:
1803:
1755:
1754:
1750:
1744:
1740:
1716:10.1.1.539.8311
1692:
1691:
1687:
1650:
1649:
1645:
1608:(7678): E4–E5.
1599:
1598:
1591:
1560:(10): 853–879.
1547:
1546:
1542:
1533:
1531:
1525:
1524:
1520:
1509:
1505:
1498:
1485:
1484:
1480:
1470:
1468:
1464:
1463:
1459:
1452:
1430:
1429:
1425:
1407:
1406:
1399:
1390:
1388:
1351:
1350:
1337:
1310:Bonaparte, J.F.
1308:
1307:
1296:
1233:
1232:
1221:
1217:
1203:traversodontids
1118:, which formed
1075:Middle Triassic
1061:The fossils of
1059:
959:related to the
957:Dinosauriformes
940:Restoration of
934:
911:, and possibly
891:(2004), Langer
819:
749:
740:
731:
722:
671:
573:
534:
520:known today is
516:and only valid
498:La Plata Museum
485:The genus name
378:
277:
273:
261:
258:
250:
249:
236:
218:
210:
199:
194:
134:
112:
110:
109:
108:
107:
102:
97:
92:
87:
82:
77:
72:
67:
62:
57:
52:
47:
36:
35:
33:
27:
17:
12:
11:
5:
4644:
4642:
4634:
4633:
4628:
4623:
4618:
4613:
4608:
4606:Carnian genera
4603:
4598:
4588:
4587:
4581:
4580:
4578:
4577:
4564:
4551:
4538:
4525:
4512:
4497:
4481:
4479:
4473:
4472:
4467:
4460:
4459:
4447:
4435:
4412:
4411:
4408:
4407:
4404:
4403:
4401:
4400:
4394:
4392:
4391:Other articles
4388:
4387:
4385:
4384:
4382:Jeholosauridae
4379:
4374:
4369:
4364:
4362:Ornithoscelida
4358:
4356:
4352:
4351:
4349:
4348:
4341:
4334:
4326:
4318:
4316:
4313:Incertae sedis
4308:
4307:
4305:
4304:
4297:
4290:
4283:
4276:
4269:
4262:
4255:
4248:
4241:
4238:Ferganocephale
4234:
4227:
4220:
4213:
4205:
4203:
4191:
4190:
4187:
4180:
4179:
4176:
4175:
4140:
4138:
4135:
4134:
4131:
4130:
4127:
4126:
4123:
4122:
4120:
4119:
4118:
4117:
4108:
4106:
4100:
4099:
4097:
4096:
4095:
4094:
4085:
4083:
4074:
4068:
4067:
4065:
4064:
4063:
4062:
4053:
4051:
4045:
4044:
4042:
4041:
4034:
4026:
4023:Thescelosaurus
4019:
4012:
4005:
3998:
3991:
3983:
3975:
3967:
3959:
3952:
3944:
3936:
3933:Albertadromeus
3928:
3926:
3920:
3919:
3917:
3916:
3909:
3902:
3895:
3888:
3881:
3874:
3871:Kulindadromeus
3867:
3860:
3853:
3845:
3839:
3836:Neornithischia
3834:
3831:
3830:
3827:
3826:
3823:
3822:
3820:
3819:
3818:
3817:
3808:
3806:
3800:
3799:
3797:
3796:
3795:
3794:
3785:
3783:
3777:
3776:
3774:
3773:
3766:
3763:Scutellosaurus
3759:
3752:
3744:
3738:
3732:
3731:
3729:
3728:
3721:
3714:
3707:
3700:
3693:
3686:
3679:
3671:
3669:
3663:
3662:
3660:
3659:
3651:
3643:
3635:
3627:
3619:
3611:
3603:
3596:
3589:
3581:
3573:
3565:
3557:
3550:
3542:
3534:
3525:
3515:
3510:
3503:
3502:
3497:
3490:
3489:
3486:
3485:
3482:
3481:
3478:
3477:
3475:
3474:
3473:
3472:
3466:
3464:
3458:
3457:
3455:
3454:
3453:
3452:
3443:
3437:
3427:
3426:
3422:
3421:
3412:
3403:
3397:
3391:
3382:
3375:
3374:
3369:
3367:
3366:
3359:
3352:
3344:
3335:
3334:
3332:
3331:
3321:
3316:
3314:Ornithoscelida
3309:
3306:
3305:
3302:
3301:
3270:
3268:
3265:
3264:
3261:
3260:
3257:
3256:
3253:
3252:
3249:
3248:
3245:
3244:
3242:
3241:
3240:
3239:
3233:
3224:
3222:
3216:
3215:
3213:
3212:
3211:
3210:
3201:
3199:
3187:
3181:
3180:
3177:
3176:
3174:
3173:
3170:Staurikosaurus
3166:
3159:
3152:
3144:
3142:
3136:
3135:
3133:
3132:
3124:
3116:
3108:
3099:
3093:
3084:
3083:
3081:
3080:
3070:
3059:
3049:
3039:
3029:
3018:
3012:
3007:
3004:
3003:
3000:
2999:
2997:
2996:
2995:
2994:
2985:
2983:
2967:
2962:
2959:
2958:
2955:
2954:
2951:
2950:
2948:
2947:
2940:
2933:
2926:
2919:
2912:
2905:
2898:
2890:
2888:
2882:
2881:
2879:
2878:
2870:
2863:
2855:
2848:
2841:
2834:
2826:
2820:
2810:
2809:
2807:
2806:
2796:
2785:
2775:
2764:
2754:
2749:
2746:
2745:
2742:
2741:
2738:
2737:
2735:
2734:
2733:
2732:
2723:
2721:
2715:
2714:
2712:
2711:
2704:
2696:
2689:
2682:
2675:
2671:Faxinalipterus
2667:
2659:
2657:
2648:
2632:
2627:
2624:
2623:
2620:
2619:
2617:
2616:
2609:
2602:
2595:
2588:
2584:Incertovenator
2579:
2577:
2568:
2567:
2565:
2564:
2554:
2550:Incertovenator
2542:
2532:
2527:
2520:
2519:
2516:
2515:
2512:
2511:
2504:
2501:
2500:
2497:
2496:
2493:
2492:
2490:
2489:
2488:
2487:
2481:
2479:
2473:
2472:
2470:
2469:
2468:
2467:
2458:
2452:
2446:
2445:
2443:
2442:
2441:
2440:
2431:
2425:
2415:
2414:
2410:
2409:
2400:
2394:
2388:
2379:
2372:
2371:
2366:
2364:
2363:
2356:
2349:
2341:
2335:
2334:
2326:
2310:
2309:External links
2307:
2305:
2304:
2285:
2233:
2182:
2154:
2121:(4): 361–379.
2091:
2044:
1984:
1945:
1892:
1852:
1801:
1748:
1738:
1685:
1666:(2): 168–197.
1643:
1589:
1540:
1518:
1503:
1496:
1478:
1466:"Pisanosaurus"
1457:
1450:
1423:
1397:
1335:
1324:(5): 808–820.
1294:
1218:
1216:
1213:
1198:Ischigualastia
1058:
1055:
1036:Scutellosaurus
933:
930:
926:plesiomorphies
897:Ornithoscelida
873:hypsilophodont
818:
815:
776:Pisanosauridae
767:
766:
751:
750:
746:
745:
742:
741:
737:
736:
733:
732:
728:
727:
724:
723:
719:
718:
715:
714:
711:Neornithischia
707:
704:
703:
700:
699:
692:
687:
685:
677:
676:
673:
672:
668:
667:
664:
663:
652:
649:
648:
645:
644:
633:
628:
626:
616:
614:
610:
609:
606:
605:
595:
590:
588:
578:
572:
571:Classification
569:
557:José Bonaparte
533:
530:
494:paleontologist
377:
374:
263:
262:
259:
245:
244:
238:
237:
233:P. mertii
229:
227:
223:
222:
208:
204:
203:
192:
185:
184:
179:
172:
171:
166:
162:
161:
156:
152:
151:
146:
142:
141:
128:
127:
123:
122:
114:
113:
105:
104:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
43:
42:
28:
15:
13:
10:
9:
6:
4:
3:
2:
4643:
4632:
4629:
4627:
4624:
4622:
4619:
4617:
4614:
4612:
4609:
4607:
4604:
4602:
4599:
4597:
4594:
4593:
4591:
4574:
4569:
4565:
4561:
4556:
4552:
4548:
4543:
4539:
4535:
4530:
4526:
4522:
4517:
4513:
4508:
4502:
4498:
4493:
4487:
4483:
4482:
4480:
4478:
4474:
4470:
4465:
4458:
4448:
4446:
4436:
4434:
4424:
4420:
4399:
4396:
4395:
4393:
4389:
4383:
4380:
4378:
4375:
4373:
4370:
4368:
4365:
4363:
4360:
4359:
4357:
4353:
4347:
4346:
4342:
4340:
4339:
4335:
4332:
4331:
4330:Dravidosaurus
4327:
4325:
4324:
4320:
4319:
4317:
4315:
4314:
4309:
4303:
4302:
4298:
4296:
4295:
4291:
4289:
4288:
4284:
4282:
4281:
4280:Syngonosaurus
4277:
4275:
4274:
4270:
4268:
4267:
4263:
4261:
4260:
4256:
4254:
4253:
4249:
4247:
4246:
4242:
4240:
4239:
4235:
4233:
4232:
4228:
4226:
4225:
4221:
4219:
4218:
4214:
4212:
4211:
4207:
4206:
4204:
4202:
4201:
4196:
4192:
4185:
4181:
4172:
4168:
4165:
4158:
4152:
4145:
4116:
4112:
4111:
4110:
4109:
4107:
4105:
4101:
4093:
4089:
4088:
4087:
4086:
4084:
4082:
4078:
4075:
4073:
4069:
4061:
4057:
4056:
4055:
4054:
4052:
4050:
4046:
4040:
4039:
4038:Zephyrosaurus
4035:
4032:
4031:
4027:
4025:
4024:
4020:
4018:
4017:
4013:
4011:
4010:
4009:Oryctodromeus
4006:
4004:
4003:
3999:
3997:
3996:
3995:Nevadadromeus
3992:
3989:
3988:
3984:
3981:
3980:
3979:Koreanosaurus
3976:
3973:
3972:
3968:
3965:
3964:
3960:
3958:
3957:
3953:
3950:
3949:
3945:
3942:
3941:
3937:
3935:
3934:
3930:
3929:
3927:
3925:
3921:
3915:
3914:
3910:
3908:
3907:
3903:
3901:
3900:
3896:
3894:
3893:
3889:
3887:
3886:
3882:
3880:
3879:
3875:
3873:
3872:
3868:
3866:
3865:
3864:Hypsilophodon
3861:
3859:
3858:
3857:Hexinlusaurus
3854:
3852:
3851:
3847:
3846:
3843:
3840:
3837:
3832:
3816:
3812:
3811:
3810:
3809:
3807:
3805:
3801:
3793:
3789:
3788:
3787:
3786:
3784:
3782:
3778:
3772:
3771:
3767:
3765:
3764:
3760:
3758:
3757:
3756:Scelidosaurus
3753:
3751:
3750:
3746:
3745:
3742:
3739:
3737:
3733:
3727:
3726:
3722:
3720:
3719:
3715:
3713:
3712:
3708:
3706:
3705:
3701:
3699:
3698:
3694:
3692:
3691:
3687:
3685:
3684:
3680:
3678:
3677:
3676:Abrictosaurus
3673:
3672:
3670:
3668:
3664:
3657:
3656:
3652:
3649:
3648:
3644:
3641:
3640:
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3625:
3624:
3620:
3617:
3616:
3612:
3609:
3608:
3604:
3602:
3601:
3600:Lesothosaurus
3597:
3595:
3594:
3593:Laquintasaura
3590:
3587:
3586:
3582:
3579:
3578:
3574:
3571:
3570:
3566:
3563:
3562:
3561:Eucoelophysis
3558:
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3209:
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3202:
3200:
3198:
3191:
3188:
3186:
3182:
3172:
3171:
3167:
3165:
3164:
3163:Sanjuansaurus
3160:
3158:
3157:
3156:Herrerasaurus
3153:
3151:
3150:
3146:
3145:
3143:
3141:
3137:
3130:
3129:
3125:
3122:
3121:
3117:
3114:
3113:
3112:Daemonosaurus
3109:
3106:
3105:
3101:
3100:
3097:
3094:
3092:
3091:Herrerasauria
3085:
3079:
3078:
3071:
3068:
3067:
3060:
3058:
3057:
3050:
3048:
3047:
3046:Daemonosaurus
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2909:Eucoelophysis
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2700:Scleromochlus
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2201:
2197:
2193:
2186:
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2172:on 2012-01-11
2171:
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2158:
2155:
2144:on 2009-01-26
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2018:
2014:
2010:
2006:
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1998:
1991:
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1972:
1968:
1964:
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1946:
1941:
1937:
1932:
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1919:
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1882:on 2016-01-27
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1700:
1696:
1689:
1686:
1681:
1677:
1673:
1669:
1665:
1661:
1657:
1656:Lesothosaurus
1653:
1647:
1644:
1639:
1635:
1631:
1627:
1623:
1619:
1615:
1611:
1607:
1603:
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1497:9780691167664
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1226:
1224:
1220:
1214:
1212:
1210:
1209:
1204:
1200:
1199:
1194:
1191:
1190:kannemeyeriid
1187:
1183:
1182:
1181:Hyperodapedon
1177:
1173:
1169:
1168:
1167:Herrerasaurus
1163:
1159:
1158:
1153:
1152:
1151:Herrerasaurus
1147:
1146:
1141:
1137:
1133:
1129:
1125:
1124:Herrerasaurus
1121:
1117:
1113:
1109:
1105:
1100:
1098:
1094:
1090:
1086:
1083:
1080:
1079:Late Triassic
1076:
1072:
1069:in La Rioja,
1068:
1064:
1056:
1054:
1052:
1048:
1044:
1043:
1038:
1037:
1032:
1031:
1026:
1024:
1019:
1018:
1013:
1012:
1007:
1003:
999:
998:ornithischian
995:
991:
988:
984:
981:
977:
972:
970:
966:
962:
958:
954:
947:
943:
942:Pisanosaurus
938:
931:
929:
927:
923:
918:
916:
915:
910:
909:
904:
903:
898:
894:
890:
886:
882:
878:
874:
870:
866:
862:
857:
855:
851:
847:
843:
839:
835:
828:
823:
816:
814:
812:
808:
804:
803:ornithischian
800:
796:
791:
789:
785:
781:
777:
773:
764:
760:
756:
753:
752:
744:
743:
735:
734:
726:
725:
717:
716:
713:
712:
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702:
701:
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697:
691:
690:
684:
683:
679:
678:
675:
674:
666:
665:
662:
661:
660:
659:
651:
650:
647:
646:
643:
642:
641:
640:
639:Abrictosaurus
632:
631:
625:
624:
620:
619:
612:
611:
608:
607:
604:
603:
602:
594:
593:
586:
582:
581:
577:
576:
570:
568:
566:
562:
558:
553:
551:
547:
543:
539:
531:
529:
527:
526:specific name
523:
519:
515:
511:
507:
503:
499:
495:
492:
488:
483:
481:
477:
473:
469:
465:
461:
457:
453:
449:
445:
441:
437:
433:
429:
424:
420:
417:The genus is
415:
413:
409:
405:
401:
397:
391:
387:
382:
375:
373:
371:
367:
363:
359:
358:
353:
349:
345:
341:
340:Late Triassic
337:
333:
332:ornithischian
329:
328:dinosauriform
325:
322:
316:
271:
270:
257:
255:
246:
243:
242:Binomial name
239:
235:
234:
228:
225:
224:
217:
216:
209:
206:
205:
202:
193:
190:
187:
186:
183:
180:
177:
174:
173:
170:
167:
164:
163:
160:
157:
154:
153:
150:
147:
144:
143:
138:
133:
129:
124:
120:
115:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
40:
32:
31:Late Triassic
26:
22:
19:
4507:Pisanosaurus
4477:Pisanosaurus
4476:
4457:Paleontology
4372:Silesauridae
4343:
4336:
4328:
4323:Ajkaceratops
4321:
4311:
4299:
4292:
4285:
4278:
4271:
4266:Notoceratops
4264:
4257:
4252:Gongbusaurus
4250:
4245:Geranosaurus
4243:
4236:
4229:
4222:
4215:
4208:
4200:Nomina dubia
4198:
4148:
4036:
4028:
4021:
4016:Parksosaurus
4014:
4007:
4000:
3993:
3985:
3977:
3971:Jeholosaurus
3969:
3961:
3954:
3946:
3938:
3931:
3911:
3904:
3899:Sanxiasaurus
3897:
3890:
3883:
3878:Minimocursor
3876:
3869:
3862:
3855:
3848:
3792:Ankylosauria
3781:Ankylosauria
3768:
3761:
3754:
3747:
3723:
3716:
3709:
3702:
3695:
3688:
3681:
3674:
3655:Technosaurus
3653:
3647:Soumyasaurus
3645:
3637:
3629:
3623:Pisanosaurus
3622:
3621:
3613:
3605:
3598:
3591:
3583:
3577:Ignotosaurus
3575:
3567:
3559:
3552:
3544:
3536:
3528:
3512:Ornithischia
3499:Ornithischia
3462:Ornithischia
3414:
3405:
3371:Ornithischia
3276:
3185:Eusaurischia
3168:
3161:
3154:
3147:
3126:
3118:
3110:
3104:Chindesaurus
3102:
3075:
3064:
3054:
3044:
3036:Chindesaurus
3034:
3024:
2992:Ornithischia
2981:Ornithischia
2942:
2935:
2928:
2921:
2916:Ignotosaurus
2914:
2907:
2900:
2893:
2874:Technosaurus
2872:
2867:Soumyasaurus
2865:
2859:Pisanosaurus
2858:
2857:
2850:
2843:
2836:
2829:
2817:Silesauridae
2801:
2790:
2780:
2770:
2708:Venetoraptor
2706:
2698:
2691:
2684:
2677:
2669:
2662:
2655:Lagerpetidae
2611:
2604:
2599:Spondylosoma
2597:
2590:
2582:
2575:Aphanosauria
2559:
2548:
2505:
2402:
2330:Pisanosaurus
2329:
2322:Pisanosaurus
2321:
2298:
2294:
2288:
2247:
2243:
2236:
2195:
2191:
2185:
2174:. Retrieved
2170:the original
2164:
2157:
2146:. Retrieved
2139:the original
2118:
2114:
2094:
2061:
2057:
2047:
2004:
2000:
1962:
1958:
1954:
1948:
1913:
1909:
1903:
1895:
1884:. Retrieved
1877:the original
1872:
1863:
1855:
1814:
1810:
1804:
1779:11336/103412
1761:
1757:
1751:
1741:
1698:
1694:
1688:
1663:
1659:
1655:
1652:Sereno, P.C.
1646:
1605:
1601:
1557:
1553:
1549:
1543:
1532:. Retrieved
1521:
1511:
1506:
1487:
1481:
1469:. Retrieved
1460:
1440:
1436:Robert Scott
1426:
1417:
1413:
1409:
1389:. Retrieved
1361:
1357:
1321:
1317:
1313:
1247:(1): 12782.
1244:
1240:
1206:
1196:
1179:
1176:rhynchosaurs
1172:Pisanosaurus
1171:
1165:
1162:Pisanosaurus
1161:
1155:
1149:
1143:
1136:rauisuchians
1128:Pisanosaurus
1127:
1123:
1114:, and giant
1101:
1063:Pisanosaurus
1062:
1060:
1057:Paleoecology
1051:Pisanosaurus
1050:
1047:Pisanosaurus
1046:
1040:
1034:
1028:
1021:
1015:
1009:
1006:Pisanosaurus
1005:
1002:Silesauridae
994:Pisanosaurus
993:
987:paraphyletic
983:sister group
980:monophyletic
976:Pisanosaurus
975:
973:
969:Pisanosaurus
968:
965:Pisanosaurus
964:
953:Pisanosaurus
952:
950:
941:
922:Pisanosaurus
921:
919:
912:
906:
900:
892:
888:
885:Pisanosaurus
884:
877:Pisanosaurus
876:
861:Pisanosaurus
860:
858:
846:synapomorphy
838:Ornithischia
834:Pisanosaurus
833:
832:
827:Pisanosaurus
826:
807:Mesozoic Era
799:Pisanosaurus
798:
795:Pisanosaurus
794:
792:
784:Pisanosaurus
783:
775:
772:Pisanosaurus
771:
770:
763:Pisanosaurus
762:
758:
709:
694:
680:
656:
654:
637:
635:
621:
601:Pisanosaurus
600:
599:
597:
585:Ornithischia
561:Pisanosaurus
560:
554:
538:Pisanosaurus
537:
535:
521:
510:Pisanosaurus
509:
487:Pisanosaurus
486:
484:
454:, the right
450:, the right
416:
396:Pisanosaurus
395:
394:
386:Pisanosaurus
385:
356:
355:
330:, likely an
269:Pisanosaurus
268:
267:
266:
253:
248:
232:
231:
215:Pisanosaurus
214:
213:
198:Ornithischia
188:
175:
25:Pisanosaurus
24:
18:
4501:Wikispecies
4301:Trimucrodon
4273:Siluosaurus
4231:Fabrosaurus
4224:Craspedodon
4217:Bienosaurus
4060:Ornithopoda
4049:Ornithopoda
3948:Changmiania
3913:Yandusaurus
3850:Agilisaurus
3815:Stegosauria
3804:Stegosauria
3736:Thyreophora
3615:Lutungutali
3585:Kwanasaurus
3538:Asilisaurus
3530:Amanasaurus
3149:Gnathovorax
3128:Caseosaurus
2930:Lutungutali
2923:Kwanasaurus
2895:Amanasaurus
2838:Asilisaurus
2831:Agnosphitys
2792:Nyasasaurus
2730:Pterosauria
2719:Pterosauria
2686:Kongonaphon
2679:Ixalerpeton
2629:Ornithodira
2606:Teleocrater
2592:Dongusuchus
2561:Mambachiton
2407:Archosauria
1965:(8): 1–15.
1931:11336/47253
1764:(1): 1–56.
1701:(1): 3–22.
1575:11336/47253
1471:14 December
1420:(2): 47–64.
1414:Ameghiniana
1364:(1): 1–40.
1208:Exaeretodon
1193:dicynodonts
1145:Saurosuchus
1011:Asilisaurus
961:silesaurids
914:Fabrosaurus
908:Trimucrodon
869:fabrosaurid
850:Paul Sereno
696:Thyreophora
552:dinosaurs.
550:saurischian
532:Description
472:metatarsals
338:, from the
4590:Categories
4355:Other taxa
4294:Tichosteus
4287:Tatisaurus
4092:Ceratopsia
4081:Ceratopsia
4030:Yueosaurus
4002:Orodromeus
3987:Nanosaurus
3906:Xiaosaurus
3885:Nanosaurus
3770:Yuxisaurus
3749:Emausaurus
3725:Tianyulong
3718:Pegomastax
3704:Lycorhinus
3690:Fruitadens
3639:Silesaurus
3631:Sacisaurus
3607:Lewisuchus
3471:see below↓
3419:Dinosauria
3401:Sauropsida
3312:See also:
3056:Eodromaeus
3026:Alwalkeria
3009:Saurischia
2964:Dinosauria
2944:Silesaurus
2937:Sacisaurus
2852:Lewisuchus
2782:Marasuchus
2772:Lagosuchus
2693:Lagerpeton
2664:Dromomeron
2613:Yarasuchus
2486:see below↓
2438:Sauropsida
2423:Sauropsida
2398:Sauropsida
2301:: 665–682.
2176:2009-07-23
2148:2009-07-23
2064:: 103341.
1886:2015-08-07
1534:2008-08-10
1391:2008-08-09
1215:References
1140:archosaurs
1132:therapsids
1112:horsetails
1023:Silesaurus
1017:Sacisaurus
946:silesaurid
842:postcrania
811:silesaurid
682:Genasauria
565:acetabulum
460:astragalus
444:pubic bone
336:silesaurid
182:Dinosauria
4445:Dinosaurs
4433:Argentina
4259:Laosaurus
3892:Phyllodon
3683:Echinodon
3569:Gamatavus
3387:Kingdom:
3235:includes
3231:Theropoda
3220:Theropoda
2845:Gamatavus
2384:Kingdom:
2086:0895-9811
2021:1744-9561
1847:187506290
1711:CiteSeerX
1654:(1991). "
1638:205260360
1312:(1976). "
1271:2045-2322
1186:aetosaurs
1097:Argentina
1071:Argentina
755:Cladogram
559:in 1976,
500:, with a
491:Argentine
476:phalanges
464:calcaneum
412:Argentina
348:herbivore
344:Argentina
326:of early
226:Species:
200: (?)
155:Kingdom:
149:Eukaryota
37:229
4521:47460277
4486:Wikidata
4210:Alocodon
4188:See also
3711:Manidens
3554:Eocursor
3546:Diodorus
3395:Chordata
3393:Phylum:
3389:Animalia
3329:Category
3066:Saltopus
2902:Diodorus
2803:Saltopus
2392:Chordata
2390:Phylum:
2386:Animalia
2280:35644127
2272:17746113
2220:17789086
2106:(1982).
2039:32842895
1979:89924902
1940:90655527
1839:28332513
1796:34530296
1788:19895605
1733:11006994
1630:29094705
1584:90655527
1438:(1980).
1386:86728076
1289:32728077
1178:such as
1157:Eoraptor
1120:highland
1116:conifers
1030:Eocursor
902:Eocursor
546:propubic
542:holotype
432:coracoid
419:based on
400:skeleton
319:) is an
169:Chordata
165:Phylum:
159:Animalia
145:Domain:
4560:4128176
4547:1331177
4534:4823104
4419:Portals
4338:Jakapil
3399:Class:
2396:Class:
2252:Bibcode
2244:Science
2228:1640394
2200:Bibcode
2192:Science
2123:Bibcode
2066:Bibcode
2030:7480155
1819:Bibcode
1746:325-334
1703:Bibcode
1668:Bibcode
1610:Bibcode
1366:Bibcode
1330:1303575
1280:7391656
1249:Bibcode
1201:; and
1082:Carnian
854:chimera
518:species
440:ischium
428:scapula
423:maxilla
364:of the
321:extinct
251:†
230:†
207:Genus:
106:↓
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889:et al.
840:; the
780:family
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655:
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524:. The
480:ungual
468:tarsal
456:fibula
448:femora
4573:38729
4542:IRMNG
3415:Clade
3406:Clade
3237:birds
2403:Clade
2276:S2CID
2224:S2CID
2142:(PDF)
2111:(PDF)
1975:S2CID
1936:S2CID
1880:(PDF)
1869:(PDF)
1843:S2CID
1792:S2CID
1729:S2CID
1634:S2CID
1580:S2CID
1382:S2CID
1326:JSTOR
1108:ferns
1085:stage
990:grade
944:as a
506:Greek
502:Latin
452:tibia
436:ilium
324:genus
189:Clade
176:Clade
4529:GBIF
4113:see
4090:see
4058:see
3963:Haya
3956:Fona
3813:see
3790:see
3448:see
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3206:see
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2990:see
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2436:see
2268:PMID
2216:PMID
2082:ISSN
2035:PMID
2017:ISSN
1835:PMID
1784:PMID
1626:PMID
1492:ISBN
1473:2013
1446:ISBN
1434:and
1285:PMID
1267:ISSN
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1102:The
871:, a
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778:, a
514:type
466:, a
462:and
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430:, a
352:type
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4516:EoL
2260:doi
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2196:258
2131:doi
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2009:doi
1967:doi
1926:hdl
1918:doi
1827:doi
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