Knowledge (XXG)

Ornithopoda

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Ornithopoda is usually given the rank of Suborder, within the order Ornithischia. While ranked taxonomy has largely fallen out of favour among dinosaur paleontologists, some researchers have continued to employ such a classification, though sources have differed on what its rank should be. Benton
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Ibiricu, Lucio M.; Martínez, Rubén D.; Lamanna, Matthew C.; Casal, Gabriel A.; Luna, Marcelo; Harris, Jerald D.; Lacovara, Kenneth J. (2010). "A Medium-Sized Ornithopod (Dinosauria: Ornithischia) from the Upper Cretaceous Bajo Barreal Formation of Lago Colhué Huapi, Southern Chubut Province,
1024:. As they became more adapted to eating while bent over, they became facultative quadrupeds; still running on two legs, and comfortable reaching up into trees, but spending most of their time walking or grazing on all fours. The taxonomy of dinosaurs previously ascribed to the 1194:
Iguanodontia is often listed as an infraorder within a suborder Ornithopoda, though Benton (2004) lists Ornithopoda as an infraorder and does not rank Iguanodontia. Traditionally, iguanodontians were grouped into the superfamily Iguanodontoidea and family
1315:." Under this revised definition, Iguanodontia is limited to its traditionally included species, and if it were found to include hypsilophodonts, which were not traditionally considered iguanodontians, it would become an invalid grouping. 2206:
Butler, Richard J.; Galton, Peter M. (August 2008). "The 'dermal armour' of the ornithopod dinosaur Hypsilophodon from the Wealden (Early Cretaceous: Barremian) of the Isle of Wight: a reappraisal".
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plates along the outside of the ribs; in some cases, these plates mineralized and were fossilized. The function of these intercostal plates is unknown. They have been found with
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Calvo, J. O.; Porfiri, J. D.; Novas, F. E. (2007). "Discovery of a new ornithopod dinosaur from the Portezuelo Formation (Upper Cretaceous), Neuquén, Patagonia, Argentina".
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Fonseca, A.O.; Reid, I.J.; Venner, A.; Duncan, R.J.; Garcia, M.S.; Müller, R.T. (2024). "A comprehensive phylogenetic analysis on early ornithischian evolution".
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must be part of the definition, and that the 2005 definition would, in their analysis, include a far larger group than intended (including
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in 1881 as part of his then still ongoing investigation of the classification of Dinosauria. It was considered one of the four definite
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The early ornithopods were only about 1 metre (3 feet) long, but probably very fast. They had a stiff tail, like the
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became quadrupedal and developed large body size. Their major evolutionary advantage was the progressive development of a
711:. The most primitive members of the group were bipedal and relatively small-sized, while advanced members of the subgroup 3275: 2438: 2164: 1802: 5491: 3233: 872:; the associated family followed suit, becoming Camptosauridae. In Iguanodontidae, only found in Europe, he included 182: 1148: 5969: 2473: 1215:
in the scientific literature, though many traditional "iguanodontids" are now included in the more inclusive group
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apparatus that became the most sophisticated ever developed by a non-avian dinosaur, rivaling that of modern
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Later ornithopods became larger, but never rivalled the incredible size of the long-necked, long-tailed
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Madzia, D.; Arbour, V.M.; Boyd, C.A.; Farke, A.A.; Cruzado-Caballero, P.; Evans, D.C. (2021).
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On the Classification of the Dinosauria, with observations on the Dinosauria of the Trias
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bipedal ornithischians, but a phylogenetic reappraisal has shown such species to be
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was considered a possible fifth). He subdivided the order into three families:
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curved, and came to resemble the spines of modern ground-feeders, such as the
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GEOL 104 dinosaurs: a Natural history, ornithopoda: beaks, bills & crests
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were lumped in as ornithopods. Most have since been reclassified.
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Colbert, Edwin H. (Edwin Harris); Knight, Charles Robert (1951).
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2010, have retained it at its traditional ranking of suborder.
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In 2021, Ornithopoda was given a formal definition under the
1063:), but never grew much beyond 15 metres (50 feet). 836:
respectively. Within Camptonotidae he included the European
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The dinosaur book: the ruling reptiles and their relatives
1929:"The phylogenetic nomenclature of ornithischian dinosaurs" 1049:
that they partially supplanted. The very largest, such as
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is problematic. The group previously consisted of all non-
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Seven archetypal ornithopods (top left to bottom right):
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Marsh, O. C. (1882). "Classification of the Dinosauria".
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studies show that the traditional "iguanodontids" are a
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Madzia, Daniel; Boyd, Clint A.; Mazuch, Martin (2017).
1235:. Later, in 2005, he amended the definition to include 703:). They represent one of the most successful groups of 1179:(2004) placed it as an infraorder within the suborder 3517:
List of stratigraphic units with ornithischian tracks
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Quarterly Journal of the Geological Society of London
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(1992). 1166:Historically, most indeterminate ornithischian 3551: 2474: 1241:as a secondary external specifier, alongside 8: 1922: 1920: 1918: 1245:, accounting for the paraphyletic nature of 2115: 2113: 868:, as the original name was pre-occupied by 5899: 5515: 5504: 5190: 4960: 4901: 4621: 4610: 4597: 4426: 4254: 4146: 4142: 4000: 3760: 3756: 3745: 3732: 3674: 3647: 3638: 3574: 3558: 3544: 3536: 3313: 3302: 3195: 2960: 2859: 2640: 2636: 2625: 2612: 2558: 2549: 2497: 2481: 2467: 2459: 1162:hadrosaur, and one of the last ornithopods 957:), and having a missing hole in the lower 842:and three American taxa he named himself, 447: 122: 31: 2064: 1954: 1944: 1349:below follows a 2024 analysis of Fonseca 1249:. A 2017 study which named and described 1075:Size of a variety of numerous ornithopods 965:). A variety of ornithopods, and related 1269:definition: the last common ancestor of 2443: 1914: 796:. The term Ornithopoda was erected by 2195:. New York: McGraw-Hill. p. 152. 733:Cretaceous–Paleogene extinction event 7: 1311:, provided that it does not include 6034:Taxa named by Othniel Charles Marsh 2402:Journal of Systematic Palaeontology 2367:Journal of Systematic Palaeontology 1771: 1751: 1729: 1702: 1630: 1580: 1573: 1524: 1514: 1456: 1446: 1414: 1387: 1365: 1355: 953:(that eventually extended past the 1265:). They proposed an entirely new, 766:), including within it the genera 25: 2100:10.1144/gsl.jgs.1870.026.01-02.09 1295:: "The smallest clade containing 1187:), while others, such as Ibiricu 1183:(originally named as an unranked 5490: 5484: 5479: 5473: 5466: 4583: 4576: 4569: 3288: 3281: 3274: 3268: 3261: 2446: 2094:. Vol. 26. pp. 32–51. 2079: 1801: 1684: 1485: 1425: 1327:: "The largest clade containing 884:. In Hadrosauridae, he included 643: 584: 181: 5847:List of informal dinosaur names 1336:Pachycephalosaurus wyomingensis 804:of dinosaurs, the others being 742:. Members are known worldwide. 5857:Timeline of hadrosaur research 2033:Merriam-Webster.com Dictionary 1984:Merriam-Webster.com Dictionary 1083:An artist's interpretation of 1: 2414:10.1080/14772019.2024.2346577 2379:10.1080/14772019.2017.1371258 2228:10.1016/j.cretres.2008.02.002 27:Extinct suborder of dinosaurs 1255:noted that the type species 1127:ornithopod from the Jurassic 926:means "bird feet", from the 2172:American Journal of Science 2165:"Names of extinct reptiles" 2122:American Journal of Science 2086:Huxley, Thomas H. (1870). " 6050: 6024:Bajocian first appearances 2243:Arquivos do Museu Nacional 2163:Marsh, Othniel C. (1885). 6029:Maastrichtian extinctions 5514: 5503: 5464: 5193: 4963: 4904: 4624: 4609: 4596: 4567: 4429: 4257: 4149: 4145: 4003: 3763: 3759: 3744: 3731: 3677: 3650: 3637: 3573: 3312: 3301: 3258: 2963: 2862: 2643: 2639: 2624: 2611: 2561: 2548: 2496: 2305:Annals of Carnegie Museum 2289:10.1080/10292389209380426 1793: 1776: 1769: 1756: 1749: 1734: 1727: 1707: 1700: 1678: 1652: 1635: 1628: 1602: 1585: 1578: 1571: 1544: 1529: 1522: 1512: 1478: 1461: 1454: 1444: 1419: 1412: 1392: 1385: 1370: 1363: 1330:Iguanodon bernissartensis 1301:Iguanodon bernissartensis 1271:Iguanodon bernissartensis 1258:Iguanodon bernissartensis 735:along with all other non- 528: 521: 309: 304: 178:Scientific classification 176: 130: 121: 34: 2433:, by Thomas R. Holtz Jr. 2142:10.2475/ajs.s3-23.133.81 2047:Cope, Edward D. (1969). 1238:Thescelosaurus neglectus 1207:grade leading up to the 2066:10.5962/bhl.title.60499 2010:Oxford University Press 1226:Parasaurolophus walkeri 864:was in 1885 renamed to 170:Corythosaurus casuarius 158:Edmontosaurus annectens 1309:Tenontosaurus tilletti 1288:Tenontosaurus tilletti 1163: 1145: 1128: 1110: 1093: 1076: 949:, having an elongated 920: 5991:Paleobiology Database 5827:Basturs Poble bonebed 2338:Sereno, Paul (2005). 2016:on December 13, 2021. 2006:UK English Dictionary 1151: 1134: 1116: 1099: 1082: 1074: 913: 798:Othniel Charles Marsh 723:such as the domestic 707:dinosaurs during the 5849:(contains hadrosaur 5247:Probrachylophosaurus 2317:10.2992/007.079.0103 1342:Triceratops horridus 1152:Life restoration of 1135:Life restoration of 2786:Heterodontosauridae 2281:1992HBio....6..159W 2220:2008CrRes..29..636B 2208:Cretaceous Research 2134:1882AmJS...23...81M 1946:10.7717/peerj.12362 1313:Hypsilophodon foxii 1232:Hypsilophodon foxii 963:Mandibular fenestra 914:Three-toed feet of 834:Edward Drinker Cope 752:Thomas Henry Huxley 746:History of research 5599:Ornithopodichnites 5210:Brachylophosaurini 3795:Hypsilophodontidae 3496:Hypsilophodontidae 3234:Pachycephalosauria 3223:Pachycephalosauria 2269:Historical Biology 2036:. Merriam-Webster. 1987:. Merriam-Webster. 1451:Hypsilophodontidae 1247:Hypsilophodontidae 1164: 1146: 1129: 1111: 1094: 1077: 1026:Hypsilophodontidae 921: 896:, and tentatively 317:Hypsilophodontidae 143:(background) with 6006: 6005: 5978:Open Tree of Life 5905:Taxon identifiers 5896: 5895: 5892: 5891: 5888: 5887: 5606:Shiraminesauropus 5499: 5498: 5462: 5461: 5458: 5457: 5454: 5453: 5450: 5449: 5345:Naashoibitosaurus 5266:Austrokritosauria 5226:Brachylophosaurus 5180: 5179: 4592: 4591: 4565: 4564: 4561: 4560: 4557: 4556: 4553: 4552: 4549: 4548: 4242: 4241: 4130: 4129: 4126: 4125: 4110:Transylvanosaurus 3996:Rhabdodontomorpha 3942:Notohypsilophodon 3913:Macrogryphosaurus 3727: 3726: 3723: 3722: 3719: 3718: 3715: 3714: 3533: 3532: 3529: 3528: 3525: 3524: 3464:Serendipaceratops 3297: 3296: 3256: 3255: 3252: 3251: 3248: 3247: 3244: 3243: 2948: 2947: 2944: 2943: 2816:Heterodontosaurus 2607: 2606: 2603: 2602: 2599: 2598: 1905: 1904: 1896: 1895: 1887: 1886: 1878: 1877: 1869: 1868: 1860: 1859: 1851: 1850: 1842: 1841: 1833: 1832: 1824: 1823: 1815: 1814: 1667: 1666: 1656:Notohypsilophodon 1617: 1616: 1557: 1556: 1519:Rhabdodontomorpha 1498: 1497: 1305:Rhabdodon priscus 1282:Rhabdodon priscus 1006:Macrogryphosaurus 784:, in addition to 577: 576: 571: 559: 544: 516: 515: 470: 389: 376:Rhabdodontomorpha 336: 300: 16:(Redirected from 6041: 5999: 5998: 5986: 5985: 5973: 5972: 5960: 5959: 5947: 5946: 5945: 5932: 5931: 5930: 5900: 5873:mummy S.M. R4036 5747:Microhadrosaurus 5740:Mandschurosaurus 5550:Camptosaurichnus 5543:Bonaparteichnium 5516: 5509:Related articles 5505: 5494: 5488: 5483: 5478: 5477: 5470: 5191: 5072:Parasaurolophini 4983:Angulomastacator 4961: 4902: 4821:Shuangmiaosaurus 4722:Huehuecanauhtlus 4708:Gongpoquansaurus 4622: 4611: 4598: 4587: 4581: 4580: 4573: 4427: 4422:Hadrosauriformes 4390:Ratchasimasaurus 4255: 4147: 4143: 4025:Muttaburrasaurus 4001: 3934:Muttaburrasaurus 3848:Atlascopcosaurus 3783:Thescelosauridae 3761: 3757: 3746: 3733: 3675: 3648: 3639: 3632: 3631: 3575: 3560: 3553: 3546: 3537: 3314: 3303: 3292: 3286: 3285: 3279: 3278: 3272: 3266: 3265: 3196: 3043:Thescelosauridae 2961: 2860: 2641: 2637: 2626: 2613: 2559: 2550: 2543: 2542: 2498: 2483: 2476: 2469: 2460: 2451: 2450: 2449: 2442: 2418: 2417: 2397: 2391: 2390: 2358: 2352: 2351: 2349: 2347: 2335: 2329: 2328: 2299: 2293: 2292: 2266: 2257: 2251: 2250: 2238: 2232: 2231: 2203: 2197: 2196: 2186: 2180: 2179: 2169: 2160: 2154: 2153: 2117: 2108: 2107: 2083: 2077: 2071: 2070: 2068: 2044: 2038: 2037: 2024: 2018: 2017: 2012:. Archived from 1995: 1989: 1988: 1975: 1969: 1968: 1958: 1948: 1924: 1806: 1805: 1772: 1752: 1730: 1703: 1689: 1688: 1631: 1581: 1574: 1525: 1515: 1489: 1457: 1447: 1430: 1429: 1415: 1388: 1373:Thescelosauridae 1366: 1356: 1297:Dryosaurus altus 1276:Dryosaurus altus 1103:Muttaburrasaurus 790:and tentatively 702: 701: 698: 697: 694: 691: 688: 685: 680: 679: 676: 673: 670: 667: 664: 661: 658: 655: 652: 649: 625: 624: 621: 620: 617: 614: 611: 608: 605: 602: 599: 596: 593: 590: 566: 564:Hypsilophodontia 551: 536: 505: 495: 485: 475: 468: 465:Thescelosauridae 462: 452:Possible members 448: 434: 424: 414: 404: 394: 387: 383: 373: 362: 352: 341: 328: 324: 314: 295: 290: 274: 258: 242: 186: 185: 164:Dryosaurus altus 152:Muttaburrasaurus 126: 116: 53: 38:Temporal range: 32: 21: 6049: 6048: 6044: 6043: 6042: 6040: 6039: 6038: 6009: 6008: 6007: 6002: 5994: 5989: 5981: 5976: 5968: 5963: 5955: 5950: 5941: 5940: 5935: 5926: 5925: 5920: 5907: 5897: 5884: 5865:mummy AMNH 5060 5832:Dakota (fossil) 5808: 5659: 5639: 5627:Tetrapodosaurus 5578:Hadrosaurichnus 5510: 5495: 5472: 5446: 5441:Shantungosaurus 5391: 5372:Augustynolophus 5357: 5301: 5275:Bonapartesaurus 5260: 5204: 5176: 5107: 5095:Parasaurolophus 5066: 4950: 4898: 4889: 4814:Qianjiangsaurus 4800:Probactrosaurus 4779:Penelopognathus 4618: 4605: 4588: 4575: 4545: 4525: 4482: 4416: 4397:Riabininohadros 4270:Bayannurosaurus 4251: 4238: 4174: 4139: 4122: 4067: 4037:Tenontosauridae 4031: 3990: 3826: 3805:Gideonmantellia 3789: 3753: 3740: 3711: 3691: 3664: 3658:Avemetatarsalia 3643:Avemetatarsalia 3633: 3580: 3579: 3569: 3564: 3534: 3521: 3505: 3486:Phytodinosauria 3469: 3425: 3308: 3293: 3280: 3273: 3260: 3240: 3217: 3191:Marginocephalia 3185: 3162: 3059:Changchunsaurus 3037: 2957: 2940: 2917: 2894: 2849: 2780: 2633: 2620: 2595: 2575: 2569:Avemetatarsalia 2554:Avemetatarsalia 2544: 2529:Avemetatarsalia 2503: 2502: 2492: 2487: 2457: 2447: 2445: 2437: 2427: 2422: 2421: 2399: 2398: 2394: 2373:(11): 967–979. 2360: 2359: 2355: 2345: 2343: 2337: 2336: 2332: 2301: 2300: 2296: 2264: 2259: 2258: 2254: 2240: 2239: 2235: 2205: 2204: 2200: 2188: 2187: 2183: 2167: 2162: 2161: 2157: 2119: 2118: 2111: 2085: 2078: 2074: 2046: 2045: 2041: 2026: 2025: 2021: 1997: 1996: 1992: 1977: 1976: 1972: 1926: 1925: 1916: 1911: 1906: 1897: 1888: 1879: 1870: 1861: 1852: 1843: 1834: 1825: 1816: 1800: 1683: 1668: 1618: 1558: 1547:Rhabdodontoidea 1532:Tenontosauridae 1499: 1465:Gideonmantellia 1424: 1422:Marginocephalia 1321: 1263:Marginocephalia 1176: 1100:Restoration of 1069: 1052:Shantungosaurus 908: 764:Scelidosauridae 748: 682: 646: 642: 587: 583: 517: 469:(paraphyletic?) 453: 294: 288: 272: 256: 240: 180: 117: 115: 114: 109: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 48: 47: 44:Late Cretaceous 40:Middle Jurassic 36: 28: 23: 22: 15: 12: 11: 5: 6047: 6045: 6037: 6036: 6031: 6026: 6021: 6011: 6010: 6004: 6003: 6001: 6000: 5987: 5974: 5961: 5948: 5933: 5917: 5915: 5909: 5908: 5903: 5894: 5893: 5890: 5889: 5886: 5885: 5883: 5882: 5875: 5867: 5859: 5854: 5844: 5842:Hypsilophodont 5839: 5837:Hadrosaur diet 5834: 5829: 5824: 5816: 5814: 5813:Other articles 5810: 5809: 5807: 5806: 5799: 5792: 5785: 5778: 5775:Stephanosaurus 5771: 5764: 5757: 5750: 5743: 5736: 5729: 5722: 5715: 5712:Fulgurotherium 5708: 5701: 5694: 5686: 5679: 5671: 5669: 5661: 5660: 5658: 5657: 5649: 5647: 5641: 5640: 5638: 5637: 5630: 5623: 5616: 5609: 5602: 5595: 5588: 5585:Iguanodontipus 5581: 5574: 5567: 5560: 5553: 5546: 5539: 5532: 5524: 5522: 5512: 5511: 5508: 5501: 5500: 5497: 5496: 5465: 5463: 5460: 5459: 5456: 5455: 5452: 5451: 5448: 5447: 5445: 5444: 5437: 5434:Laiyangosaurus 5430: 5423: 5416: 5409: 5401: 5399: 5397:Edmontosaurini 5393: 5392: 5390: 5389: 5382: 5379:Prosaurolophus 5375: 5367: 5365: 5359: 5358: 5356: 5355: 5348: 5341: 5334: 5327: 5324:Coahuilasaurus 5320: 5311: 5309: 5303: 5302: 5300: 5299: 5292: 5285: 5278: 5270: 5268: 5262: 5261: 5259: 5258: 5250: 5243: 5236: 5229: 5222: 5214: 5212: 5206: 5205: 5203: 5202: 5194: 5188: 5182: 5181: 5178: 5177: 5175: 5174: 5167: 5160: 5153: 5146: 5139: 5132: 5125: 5117: 5115: 5109: 5108: 5106: 5105: 5098: 5091: 5084: 5076: 5074: 5068: 5067: 5065: 5064: 5057: 5050: 5043: 5036: 5028: 5021: 5014: 5007: 5000: 4993: 4986: 4979: 4972: 4964: 4958: 4956:Lambeosaurinae 4952: 4951: 4949: 4948: 4941: 4934: 4927: 4920: 4913: 4905: 4899: 4894: 4891: 4890: 4888: 4887: 4880: 4873: 4866: 4859: 4852: 4845: 4838: 4831: 4824: 4817: 4810: 4803: 4796: 4789: 4782: 4775: 4772:Nanyangosaurus 4768: 4765:Nanningosaurus 4761: 4754: 4747: 4739: 4732: 4725: 4718: 4711: 4704: 4697: 4694:Gilmoreosaurus 4690: 4683: 4676: 4669: 4662: 4655: 4648: 4640: 4633: 4625: 4619: 4616:Hadrosauroidea 4614: 4607: 4606: 4603:Hadrosauroidea 4601: 4594: 4593: 4590: 4589: 4568: 4566: 4563: 4562: 4559: 4558: 4555: 4554: 4551: 4550: 4547: 4546: 4544: 4543: 4542: 4541: 4535: 4533: 4531:Hadrosauroidea 4527: 4526: 4524: 4523: 4519:Mantellisaurus 4515: 4508: 4501: 4492: 4490: 4488:Iguanodontidae 4484: 4483: 4481: 4480: 4473: 4466: 4463:Mantellisaurus 4459: 4452: 4445: 4438: 4430: 4424: 4418: 4417: 4415: 4414: 4407: 4400: 4393: 4386: 4379: 4372: 4365: 4358: 4351: 4344: 4337: 4330: 4327:Iguanacolossus 4323: 4316: 4309: 4302: 4294: 4287: 4280: 4273: 4266: 4258: 4252: 4249:Ankylopollexia 4247: 4244: 4243: 4240: 4239: 4237: 4236: 4229: 4221: 4213: 4210:Eousdryosaurus 4206: 4199: 4196:Dysalotosaurus 4192: 4184: 4182: 4176: 4175: 4173: 4172: 4165: 4158: 4150: 4140: 4135: 4132: 4131: 4128: 4127: 4124: 4123: 4121: 4120: 4113: 4106: 4099: 4092: 4085: 4077: 4075: 4073:Rhabdodontidae 4069: 4068: 4066: 4065: 4058: 4051: 4042: 4040: 4033: 4032: 4030: 4029: 4021: 4013: 4004: 3998: 3992: 3991: 3989: 3988: 3984:Weewarrasaurus 3980: 3973: 3966: 3959: 3952: 3945: 3938: 3930: 3923: 3916: 3909: 3906:Leaellynasaura 3902: 3894: 3887: 3884:Gasparinisaura 3880: 3877:Galleonosaurus 3873: 3865: 3858: 3851: 3844: 3836: 3834: 3828: 3827: 3825: 3824: 3816: 3809: 3800: 3798: 3791: 3790: 3788: 3787: 3779: 3772: 3764: 3754: 3749: 3742: 3741: 3736: 3729: 3728: 3725: 3724: 3721: 3720: 3717: 3716: 3713: 3712: 3710: 3709: 3708: 3707: 3701: 3699: 3693: 3692: 3690: 3689: 3688: 3687: 3678: 3672: 3666: 3665: 3663: 3662: 3661: 3660: 3651: 3645: 3635: 3634: 3630: 3629: 3620: 3618:Neornithischia 3611: 3602: 3593: 3587: 3578: 3571: 3570: 3565: 3563: 3562: 3555: 3548: 3540: 3531: 3530: 3527: 3526: 3523: 3522: 3520: 3519: 3513: 3511: 3510:Other articles 3507: 3506: 3504: 3503: 3501:Jeholosauridae 3498: 3493: 3488: 3483: 3481:Ornithoscelida 3477: 3475: 3471: 3470: 3468: 3467: 3460: 3453: 3445: 3437: 3435: 3432:Incertae sedis 3427: 3426: 3424: 3423: 3416: 3409: 3402: 3395: 3388: 3381: 3374: 3367: 3360: 3357:Ferganocephale 3353: 3346: 3339: 3332: 3324: 3322: 3310: 3309: 3306: 3299: 3298: 3295: 3294: 3259: 3257: 3254: 3253: 3250: 3249: 3246: 3245: 3242: 3241: 3239: 3238: 3237: 3236: 3227: 3225: 3219: 3218: 3216: 3215: 3214: 3213: 3204: 3202: 3193: 3187: 3186: 3184: 3183: 3182: 3181: 3172: 3170: 3164: 3163: 3161: 3160: 3153: 3145: 3142:Thescelosaurus 3138: 3131: 3124: 3117: 3110: 3102: 3094: 3086: 3078: 3071: 3063: 3055: 3052:Albertadromeus 3047: 3045: 3039: 3038: 3036: 3035: 3028: 3021: 3014: 3007: 3000: 2993: 2990:Kulindadromeus 2986: 2979: 2972: 2964: 2958: 2955:Neornithischia 2953: 2950: 2949: 2946: 2945: 2942: 2941: 2939: 2938: 2937: 2936: 2927: 2925: 2919: 2918: 2916: 2915: 2914: 2913: 2904: 2902: 2896: 2895: 2893: 2892: 2885: 2882:Scutellosaurus 2878: 2871: 2863: 2857: 2851: 2850: 2848: 2847: 2840: 2833: 2826: 2819: 2812: 2805: 2798: 2790: 2788: 2782: 2781: 2779: 2778: 2770: 2762: 2754: 2746: 2738: 2730: 2722: 2715: 2708: 2700: 2692: 2684: 2676: 2669: 2661: 2653: 2644: 2634: 2629: 2622: 2621: 2616: 2609: 2608: 2605: 2604: 2601: 2600: 2597: 2596: 2594: 2593: 2592: 2591: 2585: 2583: 2577: 2576: 2574: 2573: 2572: 2571: 2562: 2556: 2546: 2545: 2541: 2540: 2531: 2522: 2516: 2510: 2501: 2494: 2493: 2488: 2486: 2485: 2478: 2471: 2463: 2456: 2455: 2435: 2434: 2426: 2425:External links 2423: 2420: 2419: 2408:(1): 2346577. 2392: 2353: 2340:"Iguanodontia" 2330: 2294: 2275:(3): 159–184. 2252: 2233: 2214:(4): 636–642. 2198: 2181: 2155: 2128:(133): 81–86. 2109: 2072: 2039: 2019: 1990: 1970: 1913: 1912: 1910: 1907: 1903: 1902: 1899: 1898: 1894: 1893: 1890: 1889: 1885: 1884: 1881: 1880: 1876: 1875: 1872: 1871: 1867: 1866: 1863: 1862: 1858: 1857: 1854: 1853: 1849: 1848: 1845: 1844: 1840: 1839: 1836: 1835: 1831: 1830: 1827: 1826: 1822: 1821: 1818: 1817: 1813: 1812: 1809: 1808: 1797:Ankylopollexia 1792: 1789: 1788: 1785: 1784: 1775: 1770: 1768: 1765: 1764: 1761: 1760: 1755: 1750: 1748: 1745: 1744: 1741: 1740: 1733: 1728: 1726: 1720: 1719: 1716: 1715: 1706: 1701: 1699: 1696: 1695: 1692: 1691: 1677: 1674: 1673: 1670: 1669: 1665: 1664: 1661: 1660: 1651: 1648: 1647: 1644: 1643: 1639:Gasparinisaura 1634: 1629: 1627: 1624: 1623: 1620: 1619: 1615: 1614: 1611: 1610: 1601: 1598: 1597: 1594: 1593: 1584: 1579: 1577: 1572: 1570: 1568:Euiguanodontia 1564: 1563: 1560: 1559: 1555: 1554: 1551: 1550: 1543: 1540: 1539: 1536: 1535: 1528: 1523: 1521: 1513: 1511: 1505: 1504: 1501: 1500: 1496: 1495: 1492: 1491: 1477: 1474: 1473: 1470: 1469: 1460: 1455: 1453: 1445: 1443: 1437: 1436: 1433: 1432: 1418: 1413: 1411: 1405: 1404: 1401: 1400: 1396:Kulindadromeus 1391: 1386: 1384: 1381: 1380: 1377: 1376: 1369: 1364: 1362: 1354: 1320: 1317: 1217:Hadrosauroidea 1197:Iguanodontidae 1175: 1172: 1143:styracosternan 1138:Iguanacolossus 1120:Dysalotosaurus 1068: 1067:Classification 1065: 1000:Thescelosaurus 967:ornithischians 907: 904: 826:Iguanodontidae 760:Megalosauridae 756:Iguanodontidae 747: 744: 575: 574: 573: 572: 560: 545: 526: 525: 519: 518: 514: 513: 512: 511: 501: 491: 488:Kulindadromeus 481: 471: 455: 454: 451: 446: 445: 444: 443: 442: 441: 440: 437:Ankylopollexia 430: 420: 410: 400: 379: 369: 358: 348: 320: 307: 306: 302: 301: 286: 279: 278: 270: 263: 262: 260:Neornithischia 254: 247: 246: 238: 231: 230: 225: 218: 217: 212: 208: 207: 202: 198: 197: 192: 188: 187: 174: 173: 149:(foreground), 128: 127: 119: 118: 110: 105: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 54: 37: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 6046: 6035: 6032: 6030: 6027: 6025: 6022: 6020: 6017: 6016: 6014: 5997: 5992: 5988: 5984: 5979: 5975: 5971: 5966: 5962: 5958: 5953: 5949: 5944: 5938: 5934: 5929: 5923: 5919: 5918: 5916: 5914: 5910: 5906: 5901: 5881: 5880: 5876: 5874: 5872: 5871:Edmontosaurus 5868: 5866: 5864: 5863:Edmontosaurus 5860: 5858: 5855: 5852: 5848: 5845: 5843: 5840: 5838: 5835: 5833: 5830: 5828: 5825: 5823: 5822: 5818: 5817: 5815: 5811: 5805: 5804: 5800: 5798: 5797: 5793: 5791: 5790: 5786: 5784: 5783: 5782:Syngonosaurus 5779: 5777: 5776: 5772: 5770: 5769: 5765: 5763: 5762: 5758: 5756: 5755: 5751: 5749: 5748: 5744: 5742: 5741: 5737: 5735: 5734: 5730: 5728: 5727: 5726:Koutalisaurus 5723: 5721: 5720: 5716: 5714: 5713: 5709: 5707: 5706: 5705:Eucercosaurus 5702: 5700: 5699: 5695: 5692: 5691: 5687: 5685: 5684: 5680: 5678: 5677: 5676:Arstanosaurus 5673: 5672: 5670: 5668: 5667: 5662: 5656: 5655: 5651: 5650: 5648: 5646: 5642: 5636: 5635: 5631: 5629: 5628: 5624: 5622: 5621: 5617: 5615: 5614: 5610: 5608: 5607: 5603: 5601: 5600: 5596: 5594: 5593: 5592:Orcauichnites 5589: 5587: 5586: 5582: 5580: 5579: 5575: 5573: 5572: 5568: 5566: 5565: 5561: 5559: 5558: 5554: 5552: 5551: 5547: 5545: 5544: 5540: 5538: 5537: 5533: 5531: 5530: 5529:Amblydactylus 5526: 5525: 5523: 5521: 5517: 5513: 5506: 5502: 5493: 5489: 5487: 5482: 5476: 5469: 5443: 5442: 5438: 5436: 5435: 5431: 5429: 5428: 5427:Kundurosaurus 5424: 5422: 5421: 5420:Kerberosaurus 5417: 5415: 5414: 5410: 5408: 5407: 5406:Edmontosaurus 5403: 5402: 5400: 5398: 5394: 5388: 5387: 5383: 5381: 5380: 5376: 5374: 5373: 5369: 5368: 5366: 5364: 5360: 5354: 5353: 5349: 5347: 5346: 5342: 5340: 5339: 5335: 5333: 5332: 5328: 5326: 5325: 5321: 5318: 5317: 5316:Anasazisaurus 5313: 5312: 5310: 5308: 5304: 5298: 5297: 5296:Secernosaurus 5293: 5291: 5290: 5289:Kelumapusaura 5286: 5284: 5283: 5279: 5277: 5276: 5272: 5271: 5269: 5267: 5263: 5256: 5255: 5251: 5249: 5248: 5244: 5242: 5241: 5237: 5235: 5234: 5230: 5228: 5227: 5223: 5221: 5220: 5216: 5215: 5213: 5211: 5207: 5201: 5200: 5196: 5195: 5192: 5189: 5187: 5186:Saurolophinae 5183: 5173: 5172: 5168: 5166: 5165: 5161: 5159: 5158: 5154: 5152: 5151: 5147: 5145: 5144: 5140: 5138: 5137: 5136:Hypacrosaurus 5133: 5131: 5130: 5129:Corythosaurus 5126: 5124: 5123: 5119: 5118: 5116: 5114: 5113:Lambeosaurini 5110: 5104: 5103: 5099: 5097: 5096: 5092: 5090: 5089: 5088:Charonosaurus 5085: 5083: 5082: 5078: 5077: 5075: 5073: 5069: 5063: 5062: 5061:Tsintaosaurus 5058: 5056: 5055: 5054:Pararhabdodon 5051: 5049: 5048: 5047:Nipponosaurus 5044: 5042: 5041: 5037: 5034: 5033: 5029: 5027: 5026: 5022: 5020: 5019: 5018:Jaxartosaurus 5015: 5013: 5012: 5008: 5006: 5005: 5001: 4999: 4998: 4994: 4992: 4991: 4987: 4985: 4984: 4980: 4978: 4977: 4973: 4971: 4970: 4969:Adynomosaurus 4966: 4965: 4962: 4959: 4957: 4953: 4947: 4946: 4942: 4940: 4939: 4935: 4933: 4932: 4931:Lapampasaurus 4928: 4926: 4925: 4921: 4919: 4918: 4914: 4912: 4911: 4907: 4906: 4903: 4900: 4897: 4896:Hadrosauridae 4892: 4886: 4885: 4881: 4879: 4878: 4877:Zhanghenglong 4874: 4872: 4871: 4867: 4865: 4864: 4860: 4858: 4857: 4853: 4851: 4850: 4849:Telmatosaurus 4846: 4844: 4843: 4839: 4837: 4836: 4832: 4830: 4829: 4825: 4823: 4822: 4818: 4816: 4815: 4811: 4809: 4808: 4804: 4802: 4801: 4797: 4795: 4794: 4793:Portellsaurus 4790: 4788: 4787: 4783: 4781: 4780: 4776: 4774: 4773: 4769: 4767: 4766: 4762: 4760: 4759: 4755: 4753: 4752: 4748: 4745: 4744: 4740: 4738: 4737: 4733: 4731: 4730: 4726: 4724: 4723: 4719: 4717: 4716: 4712: 4710: 4709: 4705: 4703: 4702: 4698: 4696: 4695: 4691: 4689: 4688: 4684: 4682: 4681: 4677: 4675: 4674: 4670: 4668: 4667: 4663: 4661: 4660: 4656: 4654: 4653: 4649: 4646: 4645: 4641: 4639: 4638: 4634: 4632: 4631: 4627: 4626: 4623: 4620: 4617: 4612: 4608: 4604: 4599: 4595: 4586: 4582: 4579: 4572: 4539: 4538: 4537: 4536: 4534: 4532: 4528: 4521: 4520: 4516: 4514: 4513: 4509: 4507: 4506: 4502: 4499: 4498: 4494: 4493: 4491: 4489: 4485: 4479: 4478: 4474: 4472: 4471: 4467: 4465: 4464: 4460: 4458: 4457: 4456:Jinzhousaurus 4453: 4451: 4450: 4449:Hypselospinus 4446: 4444: 4443: 4439: 4437: 4436: 4432: 4431: 4428: 4425: 4423: 4419: 4413: 4412: 4408: 4406: 4405: 4404:Theiophytalia 4401: 4399: 4398: 4394: 4392: 4391: 4387: 4385: 4384: 4380: 4378: 4377: 4373: 4371: 4370: 4366: 4364: 4363: 4359: 4357: 4356: 4352: 4350: 4349: 4345: 4343: 4342: 4338: 4336: 4335: 4334:Lanzhousaurus 4331: 4329: 4328: 4324: 4322: 4321: 4317: 4315: 4314: 4310: 4308: 4307: 4303: 4300: 4299: 4295: 4293: 4292: 4288: 4286: 4285: 4281: 4279: 4278: 4274: 4272: 4271: 4267: 4265: 4264: 4260: 4259: 4256: 4253: 4250: 4245: 4235: 4234: 4230: 4227: 4226: 4222: 4219: 4218: 4214: 4212: 4211: 4207: 4205: 4204: 4203:Elrhazosaurus 4200: 4198: 4197: 4193: 4191: 4190: 4186: 4185: 4183: 4181: 4177: 4171: 4170: 4166: 4164: 4163: 4159: 4157: 4156: 4152: 4151: 4148: 4144: 4141: 4138: 4133: 4119: 4118: 4114: 4112: 4111: 4107: 4105: 4104: 4100: 4098: 4097: 4093: 4091: 4090: 4086: 4084: 4083: 4079: 4078: 4076: 4074: 4070: 4064: 4063: 4062:Tenontosaurus 4059: 4057: 4056: 4052: 4049: 4048: 4047:Convolosaurus 4044: 4043: 4041: 4038: 4034: 4027: 4026: 4022: 4019: 4018: 4014: 4011: 4010: 4009:Ampelognathus 4006: 4005: 4002: 3999: 3997: 3993: 3986: 3985: 3981: 3979: 3978: 3974: 3972: 3971: 3967: 3965: 3964: 3960: 3958: 3957: 3953: 3951: 3950: 3946: 3944: 3943: 3939: 3936: 3935: 3931: 3929: 3928: 3924: 3922: 3921: 3920:Mahuidacursor 3917: 3915: 3914: 3910: 3908: 3907: 3903: 3900: 3899: 3895: 3893: 3892: 3888: 3886: 3885: 3881: 3879: 3878: 3874: 3871: 3870: 3866: 3864: 3863: 3859: 3857: 3856: 3852: 3850: 3849: 3845: 3843: 3842: 3838: 3837: 3835: 3833: 3829: 3822: 3821: 3817: 3815: 3814: 3813:Hypsilophodon 3810: 3807: 3806: 3802: 3801: 3799: 3796: 3792: 3785: 3784: 3780: 3778: 3777: 3776:Callovosaurus 3773: 3771: 3770: 3769:Burianosaurus 3766: 3765: 3762: 3758: 3755: 3752: 3747: 3743: 3739: 3734: 3730: 3705: 3704: 3703: 3702: 3700: 3698: 3694: 3686: 3682: 3681: 3680: 3679: 3676: 3673: 3671: 3667: 3659: 3655: 3654: 3653: 3652: 3649: 3646: 3644: 3640: 3636: 3628: 3624: 3621: 3619: 3615: 3612: 3610: 3606: 3603: 3601: 3597: 3594: 3592: 3588: 3586: 3582: 3581: 3576: 3572: 3568: 3561: 3556: 3554: 3549: 3547: 3542: 3541: 3538: 3518: 3515: 3514: 3512: 3508: 3502: 3499: 3497: 3494: 3492: 3489: 3487: 3484: 3482: 3479: 3478: 3476: 3472: 3466: 3465: 3461: 3459: 3458: 3454: 3451: 3450: 3449:Dravidosaurus 3446: 3444: 3443: 3439: 3438: 3436: 3434: 3433: 3428: 3422: 3421: 3417: 3415: 3414: 3410: 3408: 3407: 3403: 3401: 3400: 3399:Syngonosaurus 3396: 3394: 3393: 3389: 3387: 3386: 3382: 3380: 3379: 3375: 3373: 3372: 3368: 3366: 3365: 3361: 3359: 3358: 3354: 3352: 3351: 3347: 3345: 3344: 3340: 3338: 3337: 3333: 3331: 3330: 3326: 3325: 3323: 3321: 3320: 3315: 3311: 3304: 3300: 3291: 3287: 3284: 3277: 3271: 3264: 3235: 3231: 3230: 3229: 3228: 3226: 3224: 3220: 3212: 3208: 3207: 3206: 3205: 3203: 3201: 3197: 3194: 3192: 3188: 3180: 3176: 3175: 3174: 3173: 3171: 3169: 3165: 3159: 3158: 3157:Zephyrosaurus 3154: 3151: 3150: 3146: 3144: 3143: 3139: 3137: 3136: 3132: 3130: 3129: 3128:Oryctodromeus 3125: 3123: 3122: 3118: 3116: 3115: 3114:Nevadadromeus 3111: 3108: 3107: 3103: 3100: 3099: 3098:Koreanosaurus 3095: 3092: 3091: 3087: 3084: 3083: 3079: 3077: 3076: 3072: 3069: 3068: 3064: 3061: 3060: 3056: 3054: 3053: 3049: 3048: 3046: 3044: 3040: 3034: 3033: 3029: 3027: 3026: 3022: 3020: 3019: 3015: 3013: 3012: 3008: 3006: 3005: 3001: 2999: 2998: 2994: 2992: 2991: 2987: 2985: 2984: 2983:Hypsilophodon 2980: 2978: 2977: 2976:Hexinlusaurus 2973: 2971: 2970: 2966: 2965: 2962: 2959: 2956: 2951: 2935: 2931: 2930: 2929: 2928: 2926: 2924: 2920: 2912: 2908: 2907: 2906: 2905: 2903: 2901: 2897: 2891: 2890: 2886: 2884: 2883: 2879: 2877: 2876: 2875:Scelidosaurus 2872: 2870: 2869: 2865: 2864: 2861: 2858: 2856: 2852: 2846: 2845: 2841: 2839: 2838: 2834: 2832: 2831: 2827: 2825: 2824: 2820: 2818: 2817: 2813: 2811: 2810: 2806: 2804: 2803: 2799: 2797: 2796: 2795:Abrictosaurus 2792: 2791: 2789: 2787: 2783: 2776: 2775: 2771: 2768: 2767: 2763: 2760: 2759: 2755: 2752: 2751: 2747: 2744: 2743: 2739: 2736: 2735: 2731: 2728: 2727: 2723: 2721: 2720: 2719:Lesothosaurus 2716: 2714: 2713: 2712:Laquintasaura 2709: 2706: 2705: 2701: 2698: 2697: 2693: 2690: 2689: 2685: 2682: 2681: 2680:Eucoelophysis 2677: 2675: 2674: 2670: 2667: 2666: 2662: 2659: 2658: 2654: 2651: 2650: 2646: 2645: 2642: 2638: 2635: 2632: 2627: 2623: 2619: 2614: 2610: 2589: 2588: 2587: 2586: 2584: 2582: 2578: 2570: 2566: 2565: 2564: 2563: 2560: 2557: 2555: 2551: 2547: 2539: 2535: 2532: 2530: 2526: 2523: 2521: 2517: 2515: 2511: 2509: 2505: 2504: 2499: 2495: 2491: 2484: 2479: 2477: 2472: 2470: 2465: 2464: 2461: 2454: 2444: 2440: 2432: 2429: 2428: 2424: 2415: 2411: 2407: 2403: 2396: 2393: 2388: 2384: 2380: 2376: 2372: 2368: 2364: 2357: 2354: 2342:. TaxonSearch 2341: 2334: 2331: 2326: 2322: 2318: 2314: 2310: 2306: 2298: 2295: 2290: 2286: 2282: 2278: 2274: 2270: 2263: 2256: 2253: 2249:(4): 471–483. 2248: 2244: 2237: 2234: 2229: 2225: 2221: 2217: 2213: 2209: 2202: 2199: 2194: 2193: 2185: 2182: 2177: 2173: 2166: 2159: 2156: 2151: 2147: 2143: 2139: 2135: 2131: 2127: 2123: 2116: 2114: 2110: 2105: 2101: 2097: 2093: 2089: 2082: 2076: 2073: 2067: 2062: 2058: 2054: 2050: 2043: 2040: 2035: 2034: 2029: 2023: 2020: 2015: 2011: 2007: 2005: 2000: 1994: 1991: 1986: 1985: 1980: 1979:"Ornithopoda" 1974: 1971: 1966: 1962: 1957: 1952: 1947: 1942: 1938: 1934: 1930: 1923: 1921: 1919: 1915: 1908: 1901: 1900: 1892: 1891: 1883: 1882: 1874: 1873: 1865: 1864: 1856: 1855: 1847: 1846: 1838: 1837: 1829: 1828: 1820: 1819: 1811: 1810: 1807: 1804: 1799: 1798: 1791: 1790: 1787: 1786: 1783: 1782: 1781: 1774: 1773: 1767: 1766: 1763: 1762: 1759: 1754: 1753: 1747: 1746: 1743: 1742: 1739: 1738: 1732: 1731: 1725: 1722: 1721: 1718: 1717: 1714: 1713: 1712: 1705: 1704: 1698: 1697: 1694: 1693: 1690: 1687: 1682: 1676: 1675: 1672: 1671: 1663: 1662: 1659: 1658: 1657: 1650: 1649: 1646: 1645: 1642: 1641: 1640: 1633: 1632: 1626: 1625: 1622: 1621: 1613: 1612: 1609: 1608: 1607: 1600: 1599: 1596: 1595: 1592: 1591: 1590: 1583: 1582: 1576: 1575: 1569: 1566: 1565: 1562: 1561: 1553: 1552: 1549: 1548: 1542: 1541: 1538: 1537: 1534: 1533: 1527: 1526: 1520: 1517: 1516: 1510: 1507: 1506: 1503: 1502: 1494: 1493: 1490: 1488: 1484: 1483: 1482:Hypsilophodon 1476: 1475: 1472: 1471: 1468: 1467: 1466: 1459: 1458: 1452: 1449: 1448: 1442: 1439: 1438: 1435: 1434: 1431: 1428: 1423: 1417: 1416: 1410: 1407: 1406: 1403: 1402: 1399: 1398: 1397: 1390: 1389: 1383: 1382: 1379: 1378: 1375: 1374: 1368: 1367: 1361: 1358: 1357: 1353: 1352: 1348: 1344: 1343: 1338: 1337: 1332: 1331: 1326: 1318: 1316: 1314: 1310: 1306: 1302: 1298: 1294: 1290: 1289: 1284: 1283: 1278: 1277: 1272: 1268: 1264: 1260: 1259: 1254: 1253: 1252:Burianosaurus 1248: 1244: 1243:Hypsilophodon 1240: 1239: 1234: 1233: 1228: 1227: 1222: 1218: 1214: 1210: 1206: 1202: 1198: 1192: 1190: 1186: 1182: 1173: 1171: 1169: 1161: 1160:lambeosaurine 1157: 1156: 1150: 1144: 1140: 1139: 1133: 1126: 1122: 1121: 1115: 1109: 1105: 1104: 1098: 1092: 1088: 1087: 1081: 1073: 1066: 1064: 1062: 1058: 1054: 1053: 1048: 1043: 1041: 1040: 1039:Hypsilophodon 1035: 1031: 1030:iguanodontian 1027: 1023: 1019: 1015: 1010: 1008: 1007: 1002: 1001: 996: 995: 990: 989: 984: 983: 978: 977: 976:Hypsilophodon 972: 971:cartilaginous 968: 964: 960: 956: 952: 948: 944: 940: 937:("bird") and 936: 932: 929: 925: 919: 918: 912: 905: 903: 901: 900: 895: 894: 889: 888: 883: 882: 877: 876: 871: 867: 863: 859: 858: 853: 852: 847: 846: 841: 840: 839:Hypsilophodon 835: 831: 830:Hadrosauridae 827: 823: 822:Camptonotidae 819: 815: 811: 807: 803: 799: 795: 794: 789: 788: 783: 782: 777: 776: 775:Hypsilophodon 771: 770: 765: 761: 757: 753: 745: 743: 741: 738: 734: 730: 726: 722: 718: 714: 710: 706: 700: 640: 636: 633: 632:ornithischian 629: 623: 581: 570: 565: 561: 558: 554: 550: 549:Euornithopoda 546: 543: 539: 534: 530: 529: 527: 524: 520: 510: 509: 502: 500: 499: 492: 490: 489: 482: 480: 479: 472: 467: 466: 459: 458: 457: 456: 450: 449: 439: 438: 431: 429: 428: 421: 419: 418: 411: 409: 408: 401: 399: 398: 391: 390: 386: 380: 378: 377: 370: 367: 366: 359: 357: 356: 355:Callovosaurus 349: 346: 345: 344:Burianosaurus 338: 337: 335: 331: 327: 321: 319: 318: 311: 310: 308: 303: 298: 293: 287: 284: 281: 280: 277: 271: 268: 265: 264: 261: 255: 252: 249: 248: 245: 239: 236: 233: 232: 229: 226: 223: 220: 219: 216: 213: 210: 209: 206: 203: 200: 199: 196: 193: 190: 189: 184: 179: 175: 172: 171: 166: 165: 160: 159: 154: 153: 148: 147: 146:Convolosaurus 142: 141: 140:Tenontosaurus 136: 135: 129: 125: 120: 113: 108: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 52: 45: 41: 33: 30: 19: 5912: 5877: 5870: 5862: 5850: 5819: 5801: 5794: 5787: 5780: 5773: 5766: 5759: 5752: 5745: 5738: 5731: 5724: 5717: 5710: 5703: 5696: 5690:Claorhynchus 5688: 5681: 5674: 5666:Nomina dubia 5664: 5654:Guegoolithus 5652: 5632: 5625: 5620:Staurichnium 5618: 5613:Sousaichnium 5611: 5604: 5597: 5590: 5583: 5576: 5569: 5564:Dakotasaurus 5562: 5557:Caririchnium 5555: 5548: 5541: 5534: 5527: 5471: 5439: 5432: 5425: 5418: 5411: 5404: 5384: 5377: 5370: 5363:Saurolophini 5350: 5343: 5336: 5329: 5322: 5314: 5307:Kritosaurini 5294: 5287: 5282:Huallasaurus 5280: 5273: 5254:Wulagasaurus 5252: 5245: 5238: 5231: 5224: 5217: 5197: 5169: 5162: 5155: 5148: 5143:Lambeosaurus 5141: 5134: 5127: 5120: 5100: 5093: 5086: 5079: 5059: 5052: 5045: 5038: 5030: 5023: 5016: 5009: 5002: 4995: 4988: 4981: 4974: 4967: 4945:Yamatosaurus 4943: 4936: 4929: 4922: 4915: 4910:Aquilarhinus 4908: 4882: 4875: 4868: 4861: 4856:Tethyshadros 4854: 4847: 4840: 4833: 4826: 4819: 4812: 4805: 4798: 4791: 4786:Plesiohadros 4784: 4777: 4770: 4763: 4758:Lophorhothon 4756: 4749: 4741: 4734: 4727: 4720: 4713: 4706: 4699: 4692: 4685: 4678: 4671: 4664: 4657: 4650: 4644:Batyrosaurus 4642: 4637:Bactrosaurus 4635: 4628: 4574: 4517: 4510: 4503: 4495: 4477:Ouranosaurus 4475: 4468: 4461: 4454: 4447: 4442:Brighstoneus 4440: 4433: 4409: 4402: 4395: 4388: 4381: 4374: 4369:Osmakasaurus 4367: 4362:Oblitosaurus 4360: 4353: 4346: 4339: 4332: 4325: 4318: 4311: 4304: 4296: 4289: 4284:Camptosaurus 4282: 4275: 4268: 4261: 4231: 4225:Kangnasaurus 4223: 4215: 4208: 4201: 4194: 4187: 4180:Dryosauridae 4167: 4160: 4153: 4115: 4108: 4101: 4094: 4087: 4082:Matheronodon 4080: 4060: 4053: 4045: 4023: 4015: 4007: 3982: 3975: 3968: 3961: 3956:Sektensaurus 3954: 3949:Qantassaurus 3947: 3940: 3932: 3925: 3918: 3911: 3904: 3898:Kangnasaurus 3896: 3889: 3882: 3875: 3867: 3862:Diluvicursor 3860: 3853: 3846: 3839: 3820:Vectidromeus 3818: 3811: 3803: 3781: 3774: 3767: 3750: 3737: 3696: 3685:Ornithischia 3670:Ornithischia 3622: 3613: 3609:Ornithischia 3604: 3595: 3566: 3491:Silesauridae 3462: 3455: 3447: 3442:Ajkaceratops 3440: 3430: 3418: 3411: 3404: 3397: 3390: 3385:Notoceratops 3383: 3376: 3371:Gongbusaurus 3369: 3364:Geranosaurus 3362: 3355: 3348: 3341: 3334: 3327: 3319:Nomina dubia 3317: 3267: 3167: 3155: 3147: 3140: 3135:Parksosaurus 3133: 3126: 3119: 3112: 3104: 3096: 3090:Jeholosaurus 3088: 3080: 3073: 3065: 3057: 3050: 3030: 3023: 3018:Sanxiasaurus 3016: 3009: 3002: 2997:Minimocursor 2995: 2988: 2981: 2974: 2967: 2911:Ankylosauria 2900:Ankylosauria 2887: 2880: 2873: 2866: 2842: 2835: 2828: 2821: 2814: 2807: 2800: 2793: 2774:Technosaurus 2772: 2766:Soumyasaurus 2764: 2756: 2748: 2742:Pisanosaurus 2740: 2732: 2724: 2717: 2710: 2702: 2696:Ignotosaurus 2694: 2686: 2678: 2671: 2663: 2655: 2647: 2631:Ornithischia 2618:Ornithischia 2581:Ornithischia 2533: 2524: 2490:Ornithischia 2405: 2401: 2395: 2370: 2366: 2356: 2344:. Retrieved 2333: 2308: 2304: 2303:Argentina". 2297: 2272: 2268: 2255: 2246: 2242: 2236: 2211: 2207: 2201: 2191: 2184: 2175: 2171: 2158: 2125: 2121: 2102:– via 2091: 2075: 2056: 2052: 2042: 2031: 2028:"ornithopod" 2022: 2014:the original 2002: 1999:"ornithopod" 1993: 1982: 1973: 1936: 1932: 1795: 1794: 1780:Oblitosaurus 1778: 1777: 1757: 1737:Dryosauridae 1735: 1723: 1709: 1708: 1679: 1654: 1653: 1637: 1636: 1606:Diluvicursor 1604: 1603: 1587: 1586: 1567: 1545: 1530: 1509:Iguanodontia 1508: 1480: 1479: 1463: 1462: 1440: 1420: 1394: 1393: 1371: 1350: 1340: 1334: 1328: 1322: 1312: 1308: 1304: 1300: 1296: 1286: 1280: 1274: 1270: 1256: 1250: 1242: 1236: 1230: 1224: 1205:paraphyletic 1201:phylogenetic 1193: 1188: 1177: 1165: 1153: 1136: 1118: 1117:Skeleton of 1101: 1086:Diluvicursor 1084: 1050: 1044: 1037: 1034:paraphyletic 1025: 1011: 1004: 998: 992: 988:Parksosaurus 986: 980: 974: 942: 938: 934: 930: 923: 922: 915: 897: 891: 885: 879: 873: 866:Camptosaurus 865: 861: 855: 849: 843: 837: 791: 785: 779: 773: 767: 749: 729:hadrosaurids 713:Iguanodontia 712: 638: 579: 578: 563: 548: 532: 506: 496: 486: 476: 463: 435: 427:Dryosauridae 425: 415: 405: 395: 388:Sereno, 1986 384: 374: 363: 353: 342: 326:Iguanodontia 325: 315: 291: 282: 266: 250: 244:Ornithischia 234: 221: 168: 162: 156: 150: 144: 138: 134:Ouranosaurus 132: 49:164–66  29: 18:Iguanodontia 6019:Ornithopods 5943:Ornithopoda 5937:Wikispecies 5913:Ornithopoda 5879:Willinakaqe 5851:nomina nuda 5768:Siluosaurus 5733:Loncosaurus 5571:Dinehichnus 5413:Kamuysaurus 5386:Saurolophus 5338:Kritosaurus 5331:Gryposaurus 5164:Sahaliyania 5150:Magnapaulia 5122:Amurosaurus 5102:Tlatolophus 5081:Adelolophus 5025:Kazaklambia 5004:Blasisaurus 4997:Arenysaurus 4990:Aralosaurus 4924:Hadrosaurus 4917:Eotrachodon 4870:Yunganglong 4835:Sirindhorna 4807:Protohadros 4743:Koshisaurus 4736:Jintasaurus 4505:Comptonatus 4355:Napaisaurus 4341:Lurdusaurus 4313:Fukuisaurus 4291:Cedrorestes 4233:Valdosaurus 4096:Pareisactus 3927:Morrosaurus 3891:Isasicursor 3855:Chakisaurus 3751:Ornithopoda 3738:Ornithopoda 3697:Ornithopoda 3567:Ornithopoda 3420:Trimucrodon 3392:Siluosaurus 3350:Fabrosaurus 3343:Craspedodon 3336:Bienosaurus 3179:Ornithopoda 3168:Ornithopoda 3067:Changmiania 3032:Yandusaurus 2969:Agilisaurus 2934:Stegosauria 2923:Stegosauria 2855:Thyreophora 2734:Lutungutali 2704:Kwanasaurus 2657:Asilisaurus 2649:Amanasaurus 1441:Ornithopoda 1221:Paul Sereno 1199:. However, 1155:Amurosaurus 1106:, an early 1057:metric tons 969:, had thin 924:Ornithopoda 906:Description 887:Hadrosaurus 881:Vectisaurus 862:Camptonotus 845:Camptonotus 814:Stegosauria 787:Cetiosaurus 781:Hadrosaurus 705:herbivorous 639:ornithopods 580:Ornithopoda 533:Clypeodonta 508:Yandusaurus 478:Changmiania 292:Ornithopoda 35:Ornithopods 6013:Categories 5821:Arkharavia 5796:Tichosteus 5789:Thespesius 5761:Pteropelyx 5754:Orthomerus 5634:Wintonopus 5219:Acristavus 5199:Barsboldia 5157:Olorotitan 5032:Latirhinus 4884:Zuoyunlong 4751:Levnesovia 4701:Gobihadros 4666:Datonglong 4659:Claosaurus 4630:Altirhinus 4540:see below↓ 4470:Morelladon 4348:Magnamanus 4320:Hippodraco 4189:Dryosaurus 4162:Hesperonyx 4137:Dryomorpha 3977:Trinisaura 3970:Tietasaura 3963:Talenkauen 3841:Anabisetia 3706:see below↓ 3600:Dinosauria 3474:Other taxa 3413:Tichosteus 3406:Tatisaurus 3211:Ceratopsia 3200:Ceratopsia 3149:Yueosaurus 3121:Orodromeus 3106:Nanosaurus 3025:Xiaosaurus 3004:Nanosaurus 2889:Yuxisaurus 2868:Emausaurus 2844:Tianyulong 2837:Pegomastax 2823:Lycorhinus 2809:Fruitadens 2758:Silesaurus 2750:Sacisaurus 2726:Lewisuchus 2590:see below↓ 2538:Dinosauria 2520:Sauropsida 2104:Wikisource 1939:: e12362. 1909:References 1724:Dryomorpha 1589:Anabisetia 1360:Pyrodontia 1267:node-based 1209:hadrosaurs 1125:dryosaurid 1108:iguanodont 1091:elasmarian 1061:short tons 994:Talenkauen 982:Nanosaurus 899:Agathaumas 857:Nanosaurus 793:Stenopelix 709:Cretaceous 498:Nanosaurus 407:Hesperonyx 385:Dryomorpha 305:Subgroups 228:Dinosauria 5803:Trachodon 5719:Glishades 5698:Diclonius 5536:Anomoepus 5520:Ichnotaxa 5233:Maiasaura 5171:Velafrons 4680:Equijubus 4652:Choyrodon 4512:Iguanodon 4376:Planicoxa 4306:Dakotadon 4277:Calvarius 4103:Rhabdodon 4089:Mochlodon 3832:Elasmaria 3583:Kingdom: 3378:Laosaurus 3011:Phyllodon 2802:Echinodon 2688:Gamatavus 2506:Kingdom: 2453:Dinosaurs 2311:: 39–50. 2150:130836648 2059:(1): 91. 1681:Elasmaria 1347:cladogram 1325:PhyloCode 1319:Phylogeny 1293:PhyloCode 1047:sauropods 1014:theropods 1009:to date. 917:Iguanodon 875:Iguanodon 870:a cricket 851:Laosaurus 818:Hallopoda 810:Sauropoda 806:Theropoda 769:Iguanodon 750:In 1870, 740:dinosaurs 637:, called 635:dinosaurs 365:Elasmaria 201:Kingdom: 195:Eukaryota 5922:Wikidata 5683:Cionodon 5352:Rhinorex 5240:Ornatops 5040:Minqaria 5011:Canardia 4938:Malefica 4863:Xuwulong 4828:Siamodon 4729:Jeyawati 4715:Gonkoken 4673:Eolambia 4497:Barilium 4298:Cumnoria 4263:Barilium 4169:Owenodon 4155:Draconyx 4117:Zalmoxes 4017:Fostoria 3869:Fostoria 3627:Cerapoda 3591:Chordata 3589:Phylum: 3585:Animalia 3329:Alocodon 3307:See also 2830:Manidens 2673:Eocursor 2665:Diodorus 2514:Chordata 2512:Phylum: 2508:Animalia 2387:90008574 2325:53407321 1965:34966571 1758:CM 1949 1409:Cerapoda 1333:but not 1229:but not 1181:Cerapoda 1174:Taxonomy 931:ornithos 893:Cionodon 567:Cooper, 523:Synonyms 417:Owenodon 397:Draconyx 276:Cerapoda 215:Chordata 211:Phylum: 205:Animalia 191:Domain: 5957:4532043 5928:Q467430 4976:Ajnabia 4411:Uteodon 3457:Jakapil 2518:Class: 2346:July 5, 2277:Bibcode 2216:Bibcode 2130:Bibcode 1956:8667728 1345:." The 754:listed 721:mammals 717:chewing 626:) is a 5996:147918 5983:609292 5970:643746 5645:Ootaxa 4842:Tanius 4435:Bolong 2439:Portal 2385:  2323:  2178:: 169. 2148:  2084:  2004:Lexico 1963:  1953:  1351:et al. 1307:, and 1285:, and 1213:clades 1189:et al. 1168:bipeds 1018:spines 1003:, and 854:, and 828:, and 812:, and 802:orders 778:, and 553:Sereno 538:Norman 299:, 1881 4687:Fylax 4217:Iyuku 3623:Clade 3614:Clade 3605:Clade 3596:Clade 2534:Clade 2525:Clade 2383:S2CID 2321:S2CID 2265:(PDF) 2168:(PDF) 2146:S2CID 1933:PeerJ 1711:Iyuku 1185:clade 1089:, an 1022:bison 955:ilium 951:pubis 943:podos 935:ornis 928:Greek 737:avian 628:clade 297:Marsh 283:Clade 267:Clade 251:Clade 235:Clade 222:Clade 5965:NCBI 4383:Proa 4055:Iani 3683:see 3656:see 3232:see 3209:see 3177:see 3082:Haya 3075:Fona 2932:see 2909:see 2567:see 2348:2018 1961:PMID 1339:and 1158:, a 1141:, a 1123:, a 1059:/25 947:beak 939:pous 878:and 762:and 569:1985 557:1986 542:2014 334:1891 330:Baur 57:PreꞒ 5952:EoL 2410:doi 2375:doi 2313:doi 2285:doi 2224:doi 2138:doi 2096:doi 2090:". 2061:doi 1951:PMC 1941:doi 961:(a 959:jaw 725:cow 684:ɔːr 651:ɔːr 630:of 592:ɔːr 6015:: 5993:: 5980:: 5967:: 5954:: 5939:: 5924:: 3625:: 3616:: 3607:: 3598:: 2536:: 2527:: 2406:22 2404:. 2381:. 2371:16 2369:. 2365:. 2319:. 2309:79 2307:. 2283:. 2271:. 2267:. 2247:65 2245:. 2222:. 2212:29 2210:. 2176:29 2174:. 2170:. 2144:. 2136:. 2126:23 2124:. 2112:^ 2057:14 2055:. 2051:. 2030:. 2008:. 2001:. 1981:. 1959:. 1949:. 1935:. 1931:. 1917:^ 1303:, 1299:, 1279:, 1273:, 1042:. 997:, 991:, 985:, 979:, 941:, 933:, 902:. 890:, 860:. 848:, 824:, 808:, 772:, 699:-/ 555:, 540:, 535:? 332:, 285:: 269:: 253:: 237:: 224:: 167:, 161:, 155:, 137:, 107:Pg 51:Ma 46:, 42:- 5853:) 5693:? 5319:? 5257:? 5035:? 4746:? 4647:? 4522:? 4500:? 4301:? 4228:? 4220:? 4050:? 4039:? 4028:? 4020:? 4012:? 3987:? 3937:? 3901:? 3872:? 3823:? 3808:? 3797:? 3786:? 3559:e 3552:t 3545:v 3452:? 3152:? 3109:? 3101:? 3093:? 3085:? 3070:? 3062:? 2777:? 2769:? 2761:? 2753:? 2745:? 2737:? 2729:? 2707:? 2699:? 2691:? 2683:? 2668:? 2660:? 2652:? 2482:e 2475:t 2468:v 2441:: 2416:. 2412:: 2389:. 2377:: 2350:. 2327:. 2315:: 2291:. 2287:: 2279:: 2273:6 2230:. 2226:: 2218:: 2152:. 2140:: 2132:: 2106:. 2098:: 2069:. 2063:: 1967:. 1943:: 1937:9 816:( 696:θ 693:ɪ 690:n 687:ˈ 681:, 678:z 675:d 672:ɒ 669:p 666:ˌ 663:ə 660:θ 657:ə 654:n 648:ˈ 645:/ 641:( 622:/ 619:ə 616:d 613:ə 610:p 607:ɒ 604:θ 601:ˈ 598:ə 595:n 589:ˌ 586:/ 582:( 562:? 547:? 531:? 504:† 494:† 484:† 474:† 461:† 433:† 423:† 413:† 403:† 393:† 382:† 372:† 368:? 361:† 351:† 347:? 340:† 323:† 313:† 289:† 273:† 257:† 241:† 112:N 102:K 97:J 92:T 87:P 82:C 77:D 72:S 67:O 62:Ꞓ 20:)

Index

Iguanodontia
Middle Jurassic
Late Cretaceous
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Ouranosaurus
Tenontosaurus
Convolosaurus
Muttaburrasaurus
Edmontosaurus annectens
Dryosaurus altus
Corythosaurus casuarius
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Dinosauria

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