The phylogeny of the ornithischian dinosaurs

References

• Báez , A. M. and Marsicano , C. A. 2001 . A heterodontosaurid ornithischian dinosaur from the Upper Triassic of Patagonia . Ameghiniana , 38 : 271 – 279 .
   Web of Science ®Google Scholar
• Bakker , R. T. and Galton , P. M. 1974 . Dinosaur monophyly and a new class of vertebrates . Nature , 248 : 168 – 172 .
   Web of Science ®Google Scholar
• Barrett , P. M. 2000 . “ Prosauropod dinosaurs and iguanas: speculations on the diets of extinct reptiles ” . In Evolution of Herbivory in Terrestrial Vertebrates. Perspectives from the Fossil Record , Edited by: Sues , H.‐D. 42 – 78 . Cambridge : Cambridge University Press .
   Google Scholar
• _____ . 2001 . “ Tooth wear and possible jaw action of Scelidosaurus harrisonii Owen and a review of feeding mechanisms in other thyreophoran dinosaurs ” . In The Armored Dinosaurs , Edited by: Carpenter , K. 25 – 52 . Bloomington : Indiana University Press .
   Google Scholar
• _____ , Butler , R. J. and Knoll , F. 2005 . Small‐bodied ornithischian dinosaurs from the Middle Jurassic of Sichuan, China . Journal of Vertebrate Paleontology , 25 : 823 – 834 .
   Web of Science ®Google Scholar
• Bennett , S. C. 1996 . The phylogenetic position of the Pterosauria within the Archosauromorpha . Zoological Journal of the Linnean Society , 118 : 261 – 308 .
   Web of Science ®Google Scholar
• Benton , M. J. 2004 . “ Origin and relationships of Dinosauria ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 7 – 19 . Berkeley : University of California Press .
   Google Scholar
• _____ and Clark , J. M. 1988 . “ Archosaur phylogeny and the relationships of the Crocodylia ” . In The Phylogeny and Classification of Tetrapods. Vol. 1, Amphibians, Reptiles, Birds , Edited by: Benton , M. J. Vol. 1 , 289 – 332 . Oxford : Clarendon Press .
   Google Scholar
• Bininda‐Emonds , O. R. P. , Bryant , H. N. and Russell , A. P. 1998 . Supra‐specific taxa as terminals in cladistic analysis: implicit assumptions of monophyly and a comparison of methods . Biological Journal of the Linnean Society , 64 : 101 – 133 .
   Web of Science ®Google Scholar
• Bonaparte , J. F. 1975 . Nuevos materiales de Lagosuchus talampayensis Romer (Thecodontia‐Pseudosuchia) y su significado en el origen de los Saurischia. Chañarense inferior, Triásico medio de Argentina . Acta Geologica Lilloana , 13 : 1 – 90 .
   Google Scholar
• _____ . 1976 . Pisanosaurus mertii Casamiquela and the origin of the Ornithis‐chia . Journal of Paleontology , 50 : 808 – 820 .
   Web of Science ®Google Scholar
• _____ and Powell , J. E. 1980 . A continental assemblage of tetrapods from the Upper Cretaceous bed of El Brete, northwestern Argentina (Sauropoda‐Coelurosauria‐Carnosauria‐Aves) . Memoires de la Societé Géologique, France , 139 : 19 – 28 .
   Google Scholar
• Bremer , K. 1988 . The limits of amino‐acid sequence data in angiosperm phylogenetic reconstruction . Evolution , 42 : 795 – 803 .
   PubMed Web of Science ®Google Scholar
• Broom , R. 1913 . Note on Mesosuchus browni, Watson, and on a new South African Triassic pseudosuchian (Euparkeria capensis) . Records of the Albany Museum , 2 : 394 – 396 .
   Google Scholar
• Brown , B. 1908 . The Ankylosauridae, a new family of armored dinosaurs from the Upper Cretaceous . Bulletin of the American Museum of Natural History , 24 : 187 – 201 .
   Google Scholar
• _____ and Schlaikjer , E. M. 1940 . The structure and relationships of Proto‐ceratops . Annals of the New York Academy of Sciences , 40 : 133 – 266 .
   Google Scholar
• _____ and _____ . 1942 . The skeleton of Leptoceratops with the description of a new species . American Museum Novitates , 1169 : 1 – 15 .
   Google Scholar
• _____ and _____ . 1943 . A study of the troodont dinosaurs with the description of a new genus and four new species . Bulletin of the American Museum of Natural History , 82 : 115 – 150 .
   Google Scholar
• Bryant , H. N. 1992 . The role of permutation tail probability tests in phylogenetic systematics . Systematic Biology , 41 : 258 – 263 .
   Web of Science ®Google Scholar
• Buchholz , P. W. 2002 . “ Phylogeny and biogeography of basal Ornithischia ” . In The Mesozoic in Wyoming , Edited by: Brown , D. E. 18 – 34 . Casper, Wyoming : Tate Geological Museum, Casper College .
   Google Scholar
• Butler , R. J. 2005 . The ‘fabrosaurid’ ornithischian dinosaurs of the Upper Elliot Formation (Lower Jurassic) of South Africa and Lesotho . Zoological Journal of the Linnean Society , 145 : 175 – 218 .
   Web of Science ®Google Scholar
• _____ , Porro , L. B. and Heckert , A. B. 2006 . A supposed heterodontosaurid tooth from the Rhaetian of Switzerland and a reassessment of the European Late Triassic record of Ornithischia (Dinosauria) . Neues Jahrbuch fur Geologie und Paläontologie, Monatshefte , 2006 : 613 – 633 .
   Google Scholar
• Carpenter , J. M. 1992 . Random cladistics . Cladistics , 8 : 147 – 153 .
   PubMed Web of Science ®Google Scholar
• Carpenter , K. 2001 . “ Phylogenetic analysis of the Ankylosauria ” . In The Armored Dinosaurs , Edited by: Carpenter , K. 455 – 483 . Bloomington : Indiana University Press .
   Google Scholar
• _____ . 2004 . Redescription of Ankylosaurus magniventris Brown 1908 (Ankylosauridae) from the Upper Cretaceous of the Western Interior of North America . Canadian Journal of Earth Sciences , 41 : 961 – 986 .
   Web of Science ®Google Scholar
• _____ , Kirkland , J. I. , Burge , D. L. and Bird , J. 1999 . “ Ankylosaurs (Dinosauria; Ornithischia) of the Cedar Mountain Formation, Utah and their stratigraphic distribution ” . In Vertebrate Paleontology in Utah , Edited by: Gillette , D. D. 243 – 251 . Salt Lake City : Utah Geological Survey .
   Google Scholar
• _____ , _____ , _____ and _____ . 2001 . “ Disarticulated skull of a primitive ankylosaurid from the Lower Cretaceous of eastern Utah ” . In The Armored Dinosaurs , Edited by: Carpenter , K. 211 – 238 . Bloomington : Indiana University Press .
   Google Scholar
• Casamiquela , R. M. 1967 . Un nuevo dinosaurio ornitischio Triásico (Pisanosaurus mertii: Ornithopoda) de la Formacion Ischigualasto, Argentina . Ameghiniana , 4 : 47 – 64 .
   Google Scholar
• Charig , A. J. 1972 . “ The evolution of the archosaur pelvis and hindlimb: an explanation in functional terms ” . In Studies in Vertebrate Evolution Edited by: Joysey , K. A. and Kemp , T. S. 121 – 155 . Winchester, New York
   Google Scholar
• _____ and Crompton , A. W. 1974 . The alleged synonymy of Lycorhinus and Heterodontosaurus . Annals of the South African Museum , 64 : 167 – 189 .
   Google Scholar
• _____ and Newman , B. H. 1992 . Case 2857. Scelidosaurus harrisonii Owen, 1861 (Reptilia, Ornithischia): proposed replacement of inappropriate lectotype . Bulletin of Zoological Nomenclature , 49 : 280 – 283 .
   Google Scholar
• Chatterjee , S. 1984 . A new ornithischian dinosaur from the Triassic of North America . Naturwissenschaften , 71 : 630 – 631 .
   Web of Science ®Google Scholar
• Chen , P.‐J. , Li , W. , Chen , J. , Yea , C. , Wang , Z. , Shen , Y. and Sun , A. 1982 . Stratigraphical classification of Jurassic and Cretaceous of China . Scientia Sinica B , 25 : 1227 – 1248 .
   Google Scholar
• Chinnery , B. 2004 . Description of Prenoceratops pieganensis gen. et sp. nov. (Dinosauria: Neoceratopsia) from the Two Medicine Formation of Montana . Journal of Vertebrate Paleontology , 24 : 572 – 590 .
   Web of Science ®Google Scholar
• Colbert , E. H. 1981 . A primitive ornithischian dinosaur from the Kayenta Formation of Arizona . Bulletin of the Museum of Northern Arizona , 53 : 1 – 61 .
   Google Scholar
• Coombs , W. P. 1978 . The families of the ornithischian dinosaur Order Ankylosauria . Palaeontology , 21 : 143 – 170 .
   Google Scholar
• _____ and Maryańska , T. 1990 . “ Ankylosauria ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 456 – 483 . Berkeley : University of California Press .
   Google Scholar
• _____ , Weishampel , D. B. and Witmer , L. M. 1990 . “ Basal Thyreophora ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 427 – 434 . Berkeley : University of California Press .
   Google Scholar
• Cooper , M. R. 1985 . A revision of the ornithischian dinosaur Kangna‐saurus coetzeei Haughton, with a classification of the Ornithischia . Annals of the South African Museum , 95 : 281 – 317 .
   Google Scholar
• Coria , R. A. and Salgado , L. 1996 . A basal iguanodontian (Ornithischia: Ornithopoda) from the Late Cretaceous of South America . Journal of Vertebrate Paleontology , 16 : 445 – 457 .
   Web of Science ®Google Scholar
• _____ and Calvo , J. O. 2002 . A new iguanodontian ornithopod from Neuquen Basin, Patagonia, Argentina . Journal of Vertebrate Paleontology , 22 : 503 – 509 .
   Web of Science ®Google Scholar
• Crompton , A. W. and Charig , A. J. 1962 . A new ornithischian from the Upper Triassic of South Africa . Nature , 196 : 1074 – 1077 .
   Web of Science ®Google Scholar
• Currie , P. J. and Padian , K. 1997 . Encyclopaedia of Dinosaurs , 869 San Diego : Academic Press .
   Google Scholar
• Dodson , P. 1990 . “ Marginocephalia ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 562 – 563 . Berkeley : University of California Press .
   Google Scholar
• Dong , Z.‐M. 1978 . [A pachycephalosaur from the Wangshi Fm. of Laiyang Co., Shandong Province, Micropachycephalosaurus hongtuyanen‐sis gen. et sp. nov.] . Vertebrata PalAsiatica , 16 : 225 – 228 . [In Chinese]
   Web of Science ®Google Scholar
• _____ . 1989 . [On a small ornithopod (Gongbusaurus wucaiwanensis sp. nov.) from Kelamaili Junggar Basin, Xinjiang, China] . Vertebrata PalAsiatica , 27 : 140 – 146 . [In Chinese with English summary]
   Google Scholar
• _____ . 2001 . “ Primitive armored dinosaur from the Lufeng Basin, Yunnan ” . In Mesozoic Vertebrate Life , Edited by: Tanke , D. H. and Carpenter , K. 237 – 242 . Bloomington : Indiana University Press .
   Google Scholar
• _____ and Azuma , Y. 1997 . “ On a primitive neoceratopsian from the Early Cretaceous of China ” . In Sino‐Japanese Silk Road Dinosaur Expedition , Edited by: Dong , Z.‐M. 68 – 89 . Beijing : China Ocean Press .
   Google Scholar
• _____ and Tang , Z. 1983 . [A short report of the dinosaur fauna from Dashanpu, Zigong, Sichuan. Ornithopoda] . Vertebrata PalAsiatica , 21 : 168 – 171 . [In Chinese with English summary]
   Google Scholar
• _____ and _____ . 1984 . [Note on a new mid‐Jurassic sauropod (Datousaurus bashanensis) from Sichuan Basin, China] . Vertebrata PalAsiatica , 22 : 69 – 74 . [In Chinese with English summary]
   Web of Science ®Google Scholar
• _____ , Zhou , S. and Zhang , Y. 1983 . [The dinosaurian remains from Sichuan Basin, China] . Palaeontologica Sinica , 162 : 1 – 145 . [In Chinese]
   Google Scholar
• Dzik , J. 2003 . A beaked herbivorous archosaur with dinosaur affinities from the early Late Triassic of Poland . Journal of Vertebrate Paleontology , 23 : 556 – 574 .
   Web of Science ®Google Scholar
• Ewer , R. F. 1965 . The anatomy of the thecodont reptile Euparkeria capensis Broom . Philosophical Transactions of the Royal Society of London, Series B , 248 : 379 – 435 .
   Web of Science ®Google Scholar
• Faith , D. P. and Cranston , P. S. 1991 . Could a cladogram this short have arisen by chance alone? ‐ On permutation tests for cladistic structure . Cladistics , 7 : 1 – 28 .
   Web of Science ®Google Scholar
• Fastovsky , D. E. and Weishampel , D. B. 1996 . The Evolution and Extinction of the Dinosaurs , 479 Cambridge : Cambridge University Press .
   Google Scholar
• _____ and _____ . 2005 . The Evolution and Extinction of the Dinosaurs, , Second Edition , 500 Cambridge : Cambridge University Press .
   Google Scholar
• Forster , C. A. 1990 . The postcranial skeleton of the ornithopod dinosaur Tenontosaurus tilletti . Journal of Vertebrate Paleontology , 10 : 273 – 294 .
   Google Scholar
• Galton , P. M. 1972 . Classification and evolution of ornithopod dinosaurs . Nature , 239 : 464 – 466 .
   Web of Science ®Google Scholar
• _____ . 1973a . The cheeks of ornithischian dinosaurs . Lethaia , 6 : 67 – 89 .
   Web of Science ®Google Scholar
• _____ . 1973b . Redescription of the skull and mandible of Parksosaurus from the Late Cretaceous with comments on the family Hypsilophodontidae (Ornithischia) . Life Science Contributions, Royal Ontario Museum , 89 : 1 – 21 .
   Google Scholar
• _____ . 1974a . The ornithischian dinosaur Hypsilophodon from the Wealden of the Isle of Wight . Bulletin of the British Museum (Natural History), Geology , 25 : 1 – 152 .
   Google Scholar
• _____ . 1974b . Notes on Thescelosaurus, a conservative ornithopod dinosaur from the Upper Cretaceous of North America, with comments on ornithopod classification . Journal of Paleontology , 48 : 1048 – 1067 .
   Web of Science ®Google Scholar
• _____ . 1975 . English hypsilophodontid dinosaurs (Reptilia: Ornithischia) . Palaeontology , 18 : 741 – 752 .
   Google Scholar
• _____ . 1977 . The ornithopod dinosaur Dryosaurus and a Laurasia‐Gondwanaland connection in the Upper Jurassic . Nature , 268 : 230 – 232 .
   Web of Science ®Google Scholar
• _____ . 1978 . Fabrosauridae, the basal family of ornithischian dinosaurs (Reptilia: Ornithopoda) . Palaontologische Zeitschrift , 52 : 138 – 159 .
   Google Scholar
• _____ . 1981 . Dryosaurus, a hypsilophodontid dinosaur from the Upper Jurassic of North America and Africa: postcranial skeleton . Palaontologische Zeitschrift , 55 : 271 – 312 .
   Google Scholar
• _____ . 1982a . Juveniles of the stegosaurian dinosaur Stegosaurus from the Upper Jurassic of North America . Journal of Vertebrate Paleontology , 2 : 47 – 62 .
   Google Scholar
• _____ . 1982b . The postcranial anatomy of stegosaurian dinosaur Kentrosaurus from the Upper Jurassic of Tanzania, East Africa . Geologica et Palaeontologica , 15 : 139 – 160 .
   Google Scholar
• _____ . 1983 . The cranial anatomy of Dryosaurus, a hypsilophodontid dinosaur from the Upper Jurassic of North America and East Africa, with a review of hypsilophodontids from the Upper Jurassic of North America . Geologica et Palaeontologica , 17 : 207 – 243 .
   Google Scholar
• _____ . 1985 . British plated dinosaurs (Ornithischia, Stegosauria) . Journal of Vertebrate Paleontology , 5 : 211 – 254 .
   Google Scholar
• _____ . 1988 . Skull bones and endocranial casts of stegosaurian dinosaur Kentrosaurus Hennig, 1915 from Upper Jurassic of Tanzania, East Africa . Geologica et Palaeontologica , 22 : 123 – 143 .
   Google Scholar
• _____ . 1989 . Crania and endocranial casts from ornithopod dinosaurs of the families Dryosauridae and Hypsilophodontidae (Reptilia: Ornithischia) . Geologica et Palaeontologica , 23 : 217 – 239 .
   Google Scholar
• _____ . 1990 . “ Stegosauria ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 435 – 455 . Berkeley : University of California Press .
   Google Scholar
• _____ . 1991 . Postcranial remains of stegosaurian dinosaur Dacentrurus from Upper Jurassic of France and Portugal . Geologica et Palaeontologica , 25 : 299 – 327 .
   Google Scholar
• _____ . 1995 . The species of the basal hypsilophodontid dinosaur Thescelosaurus Gilmore (Ornithischia: Ornithopoda) from the Late Cretaceous of North America . Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen , 198 : 297 – 311 .
   Google Scholar
• _____ . 1997 . Cranial anatomy of the basal hypsilophodontid dinosaur Thescelosaurus neglectus Gilmore (Ornithischia: Ornithopoda) from the Upper Cretaceous of North America . Revue de Paleobiologie, Genéve , 16 : 231 – 258 .
   Google Scholar
• _____ . 1999 . Cranial anatomy of the hypsilophodontid dinosaur Bugenasaura infernalis (Ornithischia: Ornithopoda) from the Upper Cretaceous of North America . Revue de Paleobiologie , 18 : 517 – 534 .
   Google Scholar
• _____ and Jensen , J. A. 1973 . Skeleton of a hypsilophodontid dinosaur (Nanosaurus (?) rex) from the Upper Jurassic of Utah . Brigham Young University Geology Studies , 20 : 137 – 157 .
   Google Scholar
• _____ and _____ . 1979 . Remains of ornithopod dinosaurs from the Lower Cretaceous of North America . Brigham Young University Geology Studies , 25 : 1 – 10 .
   Google Scholar
• _____ and Powell , H. P. 1980 . The ornithischian dinosaur Camptosaurus prestwichii from the Upper Jurassic of England . Palaeontology , 23 : 411 – 443 .
   Google Scholar
• _____ and Taquet , P. 1982 . Valdosaurus, a hypsilophodontid dinosaur from the Lower Cretaceous of Europe and Africa . Géobios , 15 : 147 – 159 .
   Google Scholar
• _____ and Upchurch , P. 2004a . “ Prosauropoda ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 232 – 258 . Berkeley : University of California Press .
   Google Scholar
• _____ and _____ . 2004b . “ Stegosauria ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 343 – 362 . Berkeley : University of California Press .
   Google Scholar
• Gauthier , J. 1986 . Saurischian monophyly and the origin of birds . Memoirs of the California Academy of Sciences , 8 : 1 – 55 .
   Google Scholar
• Gilmore , C. W. 1909 . Osteology of the Jurassic reptile Camptosaurus, with a revision of the species of the genus, and a description of two new species . Proceedings of the United States National Musuem , 36 : 197 – 332 .
   Google Scholar
• _____ . 1913 . A new dinosaur from the Lance Formation of Wyoming . Smithsonian Miscellanious Collections , 61 : 1 – 5 .
   Google Scholar
• _____ . 1914 . Osteology of the armored Dinosauria in the United States National Museum, with special reference to the genus Stegosaurus . Bulletin of the United States National Museum , 89 : 1 – 136 .
   Google Scholar
• _____ . 1915 . Osteology of Thescelosaurus, an orthopodous dinosaur from the Lance Formation of Wyoming . Proceedings of the United States National Musuem , 49 : 591 – 616 .
   Google Scholar
• _____ . 1931 . A new species of troödont dinosaur from the Lance Formation of Wyoming . Proceedings of the United States National Musuem , 79 : 1 – 6 .
   Google Scholar
• Gow , C. E. 1975 . A new heterodontosaurid from the Red Beds of South Africa showing clear evidence of tooth replacement . Zoological Journal of the Linnean Society , 57 : 335 – 339 .
   Web of Science ®Google Scholar
• _____ . 1990 . A tooth‐bearing maxilla referable to Lycorhinus angustidens Haughton, 1924 (Dinosauria, Ornithischia) . Annals of the South African Museum , 99 : 367 – 380 .
   Google Scholar
• Gower , D. J. and Weber , E. 1998 . The braincase of Euparkeria, and the evolutionary relationships of birds and crocodilians . Biological Reviews , 73 : 367 – 411 .
   Web of Science ®Google Scholar
• Haubold , H. 1990 . Ein neuer Dinosaurier (Ornithischia, Thyreophora) aus dem unteren Jura des nordlichen Mitteleuropa . Revue de Paleobiologie , 9 : 149 – 177 .
   Google Scholar
• Haughton , S. H. 1924 . The fauna and stratigraphy of the Stormberg Series . Annals of the South African Museum , 12 : 323 – 497 .
   Google Scholar
• He , X.‐L. 1979 . “ [A newly discovered ornithopod dinosaur ‐ Yandusaurus from Zigong, China] ” . In [Contribution to International Exchange of Geology. Part 2, Stratigraphy and Palaeontology] , 116 – 123 . Beijing : Geological Publishing House . [In Chinese]
   Google Scholar
• _____ and Cai , K. 1983 . [A new species of Yandusaurus (hypilophodont dinosaur) from the Middle Jurassic of Dashanpu, Zigong, China]. In: [Special Paper on Dinosaurian Remains of Dashanpu, Zigong, Sichuan] . Journal of the Chengdu College of Geology , : 5 – 14 . [In Chinese with English summary]
   Google Scholar
• _____ and _____ . 1984 . [The Middle Jurassic Dinosaurian Fauna from Dashanpu, Zigong, Sichuan. Vol 1, The Ornithopod Dinosaurs] , Vol 1 , 71 Chengdu : Sichuan Scientific and Technological Publishing House . [In Chinese with English summary]
   Google Scholar
• Hill , R. V. , Witmer , L. M. and Norell , M. A. 2003 . A new specimen of Pinacosaurus grangeri (Dinosauria: Ornithischia) from the Late Cretaceous of Mongolia: ontogeny and phylogeny of ankylosaurs . American Museum Novitates , 3395 : 1 – 29 .
   Web of Science ®Google Scholar
• Hooker , J. J. , Milner , A. C. and Sequeira , S. E. K. 1991 . An ornithopod dinosaur from the Late Cretaceous of West Antarctica . Antarctic Science , 3 : 331 – 332 .
   Web of Science ®Google Scholar
• Hopson , J. A. 1975 . On the generic separation of the ornithischian dinosaurs Lycorhinus and Heterodontosaurus from the Stormberg Series (Upper Triassic of South Africa) . South African Journal of Science , 71 : 302 – 305 .
   Web of Science ®Google Scholar
• _____ . 1980 . Tooth function and replacement in early Mesozoic ornithischian dinosaurs: implications for aestivation . Lethaia , 13 : 93 – 105 .
   Web of Science ®Google Scholar
• Horner , J. R. and Weishampel , D. B. 1988 . A comparative embryological study of two ornithischian dinosaurs . Nature , 332 : 256 – 257 .
   Web of Science ®Google Scholar
• Hou , L.‐H. 1977 . [A primitive pachycephalosaurid from the Cretaceous of Anhui, China, Wannanosaurus yansiensis gen. et sp. nov] . Vertebrata PalAsiatica , 15 : 198 – 202 . [In Chinese]
   Web of Science ®Google Scholar
• Hunt , A. P. and Lucas , S. G. 1994 . “ Ornithischian dinosaurs from the Upper Triassic of the United States ” . In In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods , Edited by: Fraser , N. C. and Sues , H.‐D. 227 – 241 . Cambridge : Cambridge University Press .
   Google Scholar
• Huxley , T. H. 1869 . On Hypsilophodon, a new genus of Dinosauria . Proceedings of the Geological Society of London , 204 : 3 – 4 .
   Google Scholar
• Irmis , R. , Parker , W. and Nesbitt , S. J. 2005 . Critical review of the Late Triassic dinosaur record, part 2: Ornithischia . Journal of Vertebrate Paleontology , 25 (suppl.) : 73A
   Google Scholar
• Irmis , R. B. , Parker , W. G. , Nesbitt , S. J. and Liu , J. 2007 . Early ornithischian dinosaurs: the Triassic record . Historical Biology , 19 : 3 – 22 .
   Google Scholar
• Janensch , W. 1955 . Der Ornithopode Dysalotosaurus der Tend‐aguruschichten . Palaeontographica , 3 (suppl. 7) : 105 – 176 .
   Google Scholar
• Kearney , M. and Clark , J. M. 2003 . Problems due to missing data in phylogenetic analyses including fossils: a critical review . Journal of Vertebrate Paleontology , 23 : 263 – 274 .
   Web of Science ®Google Scholar
• Kirkland , J. I. 1998 . “ A polacanthine ankylosaur (Ornithischia, Dinosauria) from the Early Cretaceous (Barremian) of eastern Utah ” . In Lower and Middle Cretaceous Terrestrial Ecosystems , Edited by: Lucas , S. G. , Kirkland , J. I. and Estep , J. W. 271 – 281 . Albuquerque : New Mexico Museum of Natural History and Science .
   Google Scholar
• _____ and Carpenter , K. 1994 . North America's first pre‐Cretaceous ankylosaur (Dinosauria) from the Upper Jurassic Morrison Formation of western Colorado . Brigham Young University Geology Studies , 40 : 25 – 42 .
   Google Scholar
• _____ , _____ , Hunt , A. P. and Scheetz , R. D. 1998 . Ankylosaur (Dinosauria) specimens from the Upper Jurassic Morrison Formation . Modern Geology , 23 : 145 – 177 .
   Google Scholar
• Kitching , I. J. , Forey , P. L. , Humphries , C. J. and Williams , D. M. 1998 . Cladistics , 228 Oxford : Oxford University Press .
   Google Scholar
• Knoll , F. 2002a . New skull of Lesothosaurus (Dinosauria: Omithischia) from the Upper Elliot Formation (Lower Jurassic) of southern Africa . Geobios , 35 : 595 – 603 .
   Web of Science ®Google Scholar
• _____ . 2002b . Nearly complete skull of Lesothosaurus (Dinosauria: Ornithischia) from the Upper Elliot Formation (Lower Jurassic: Hettangian) of Lesotho . Journal of Vertebrate Paleontology , 22 : 238 – 243 .
   Web of Science ®Google Scholar
• Langer , M. C. 2004 . “ Basal Saurischia ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 25 – 46 . Berkeley : University of California Press .
   Google Scholar
• _____ and Benton , M. J. 2006 . Early dinosaurs: a phylogenetic study . Journal of Systematic Palaeontology , 4 : 309 – 358 .
   Web of Science ®Google Scholar
• Lee , Y. N. 1996 . A new nodosaurid anklosaur (Dinosauria: Ornithischia) from the Paw Paw formation (late Albian) of Texas . Journal of Vertebrate Paleontology , 16 : 232 – 245 .
   Web of Science ®Google Scholar
• Linnaeus , C. 1758 . Systema Naturae per Raegna Tria Naturae. Volume 1. Regnum Animale, , 10th ed. , 823 London : Trustees, British Museum (Natural History) .
   Google Scholar
• Liu , J. 2004 . Phylogeny of Ornithischia . Journal of Vertebrate Paleontology , 24 (suppl.) : 84A
   Google Scholar
• Lucas , S. G. 1996 . “ The thyreophoran dinosaur Scelidosaurus from the Lower Jurassic Lufeng Formation, Yunnan, China ” . In The Continental Jurassic , Edited by: Morales , M. 81 – 85 . Flagstaff : Museum of Northern Arizona .
   Google Scholar
• Lydekker , R. 1888 . Catalogue of the Fossil Reptilia and Amphibia in the British Museum (Natural History), Part 1 , 309 London : British Museum of Natural History .
   Google Scholar
• Maidment , S. C. R. , Wei , S. and Norman , D. B. 2006 . Re‐description of the postcranial skeleton of the middle Jurassic stegosaur Huayangosaurus taibaii . Journal of Vertebrate Paleontology , 26 : 944 – 956 .
   Web of Science ®Google Scholar
• Makovicky , P. J. 2001 . “ A Montanoceratops cerorhynchus (Dinosauria: Ceratopsia) braincase from the Horseshoe Canyon Formation of Alberta ” . In Mesozoic Vertebrate Life , Edited by: Tanke , D. H. and Carpenter , K. 243 – 262 . Bloomington : Indiana University Press .
   Google Scholar
• _____ and Norell , M. A. 2006 . Yamaceratops dorngobiensis, a new primitive ceratopsian (Dinosauria: Ornithischia) from the Cretaceous of Mongolia . American Museum Novitates , 3530 : 1 – 42 .
   Web of Science ®Google Scholar
• Mantell , G. A. 1822 . The fossils of the South Downs, or Illustrations of the Geology of Sussex , 327 London : Lupton Relfe .
   Google Scholar
• _____ . 1825 . Note on the Iguanodon, a newly discovered fossil reptile, from the sandstone of Tilgate Forest, in Sussex . Philosophical Transactions of the Royal Society of London , 115 : 179 – 186 .
   Google Scholar
• _____ . 1833 . Geology of the South East of England , 415 London : Longman, Rees, Orme, Brown, Green and Longman .
   Google Scholar
• Marsh , O. C. 1877a . New order of extinct Reptilia (Stegosauria) from the Jurassic of the Rocky Mountains . American Journal of Science , 14 : 513 – 514 . (Series 3)
   Google Scholar
• _____ . 1877b . Notice of some new dinosaurian reptiles from the Jurassic Formation . American Journal of Science , 14 : 514 – 516 . (Series 3)
   Google Scholar
• _____ . 1881 . Principal characters of American Jurassic dinosaurs. Pt V . American Journal of Science , 21 : 417 – 423 . (Series 3)
   Google Scholar
• _____ . 1889 . Notice of gigantic horned Dinosauria from the Cretaceous . American Journal of Science , 38 : 173 – 175 . (Series 3)
   Google Scholar
• _____ . 1890 . Additional characters of the Ceratopsidae with notice of new Cretaceous dinosaurs . American Journal of Science , 39 : 418 – 426 . (Series 3)
   Google Scholar
• _____ . 1894 . The typical Ornithopoda of the American Jurassic . American Journal of Science , 48 : 85 – 90 . (Series 3)
   Google Scholar
• Martínez , R. D. 1998 . Notohypsilophodon comodorensis, gen. et sp. nov. Un Hypsilophodontidae (Ornithischia: Ornithopoda) del Cretacio superior de Chubut, Patagonia central, Argentina . Acta Geologica Leo‐poldensia , 21 : 119 – 135 .
   Google Scholar
• Maryańska , T. 1977 . Ankylosauridae (Dinosauria) from Mongolia . Palaeontologica Polonica , 37 : 85 – 151 .
   Google Scholar
• _____ . 1990 . “ Pachycephalosauria ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 564 – 577 . Berkeley : University of California Press .
   Google Scholar
• _____ and Osmólska , H. 1974 . Pachycephalosauria, a new suborder of ornithischian dinosaurs . Palaeontologica Polonica , 30 : 45 – 102 .
   Google Scholar
• _____ and _____ . 1975 . Protoceratopsidae (Dinosauria) of Asia . Palaeontologica Polonica , 33 : 133 – 181 .
   Google Scholar
• _____ and _____ . Phylogenetic classification of ornithischian dinosaurs . Abstracts of 27th International Geological Congress . pp. 286 – 287 . Moscow : Nauka Press .
   Google Scholar
• _____ and _____ . 1985 . On ornithischian phylogeny . Acta Palaeontologica Polonica , 30 : 137 – 150 .
   Google Scholar
• _____ , Chapman , R. E. and Weishampel , D. B. 2004 . “ Pachycephalosauria ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 464 – 477 . Berkeley : University of California Press .
   Google Scholar
• Meyer , H. v. 1857 . Beitrage zur näheren Kenntnis fossiler Reptilien . Neues Jahrbuch fur Mineralogie, Geologie und Paläontolgie , 1857 : 532 – 543 .
   Google Scholar
• Milner , A.R. and Norman , D. B. The biogeography of advanced ornithopod dinosaurs (Archosauria: Ornithischia) ‐ a cladistic‐vicariance model . Third Symposium on Mesozoic Terrestrial Ecosystems, short papers . Edited by: Reif , W.‐E. and Westphal , F. pp. 145 – 150 . Tubingen : Attempto Verlag .
   Google Scholar
• Newman , B. H. 1968 . The Jurassic dinosaur Scelidosaurus harrisoni, Owen . Palaeontology , 11 : 40 – 43 .
   Google Scholar
• Nixon , K. C. and Carpenter , J. M. 1996 . On consensus, compatibility, and clade concordance . Cladistics , 12 : 305 – 322 .
   PubMed Web of Science ®Google Scholar
• Nopcsa , F. 1915 . Die dinosaurier der siebenburgischen Landesteile Ungarns . Mittheilungen aus dem Jahrbuche der ungarischen geologischen Reichsanstalt Budapest , 23 : 1 – 26 .
   Google Scholar
• Norman , D. B. 1980 . On the ornithischian dinosaur Iguanodon bernis‐sartensis of Bernissart (Belgium) . Memoire, Institut Royal des Sciences Naturelles de Belqique , 178 : 1 – 104 .
   Google Scholar
• _____ . A systematic reappraisal of the reptile order Ornithischia . Third Symposium on Mesozoic Terrestrial Ecosystems, short papers . Edited by: Reif , W.‐E. and Westphal , F. pp. 157 – 162 . Tubingen : Attempto Verlag .
   Google Scholar
• _____ . 1986 . On the anatomy of Iguanodon atherfieldensis (Ornithischia: Ornithopoda) . Bulletin, Institut Royal des Sciences Naturelles de Belgique: sciences de la terre , 56 : 281 – 372 .
   Google Scholar
• _____ . 1990 . “ A review of Vectisaurus valdensis, with comments on the family Iguanodontidae ” . In Dinosaur Systematics; Approaches and Perspectives , Edited by: Carpenter , K. and Currie , P. J. 147 – 161 . Cambridge : Cambridge University Press .
   Google Scholar
• _____ . 1998 . On Asian ornithopods (Dinosauria: Ornithischia). 3. A new species of iguanodontid dinosaur . Zoological Journal of the Linnean Society , 122 : 291 – 348 .
   Web of Science ®Google Scholar
• _____ . 2002 . On Asian ornithopods (Dinosauria: Ornithischia). 4. Probactrosaurus Rozhdestvensky, 1966 . Zoological Journal of the Linnean Society , 136 : 113 – 144 .
   Web of Science ®Google Scholar
• _____ . 2004 . “ Basal Iguanodontia ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 413 – 437 . Berkeley : University of California Press .
   Google Scholar
• _____ and Barrett , P. M. 2002 . Ornithischian dinosaurs from the Lower Cretaceous (Berriasian) of England . Special Papers in Palaeontology , 68 : 161 – 189 .
   Google Scholar
• _____ and Weishampel , D. B. 1990 . “ Iguanodontidae and related Ornithopoda ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 510 – 533 . Berkeley : University of California Press .
   Google Scholar
• _____ , Witmer , L. M. and Weishampel , D. B. 2004a . “ Basal Ornithischia ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 325 – 334 . Berkeley : University of California Press .
   Google Scholar
• _____ , _____ and _____ . 2004b . “ Basal Thyreophora ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 335 – 342 . Berkeley : University of California Press .
   Google Scholar
• _____ , Sues , H.‐D. , Witmer , L. M. and Coria , R. A. 2004c . “ Basal Ornithopoda ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 393 – 412 . Berkeley : University of California Press .
   Google Scholar
• _____ , Butler , R. J. and Maidment , S. C. R. 2007 . Reconsidering the status and affinities of the ornithischian dinosaur Tatisaurus oehleri Simmons, 1965 . Zoological Journal of the Linnean Society , 150 : 865 – 874 .
   Web of Science ®Google Scholar
• Novas , F. E. 1993 . New information on the systematics and postcranial skeleton of Herrerasaurus ischigualastensis (Theropoda: Herrerasauridae) from the Ischigualasto Formation (Upper Triassic) of Argentina . Journal of Vertebrate Paleontology , 13 : 400 – 423 .
   Google Scholar
• _____ . 1996 . Dinosaur monophyly . Journal of Vertebrate Paleontology , 16 : 723 – 741 .
   Web of Science ®Google Scholar
• _____ , Cambiaso , A. V. and Ambrosio , A. 2004 . A new basal iguanodontian (Dinosauria, Ornithischia) from the Upper Cretaceous of Patagonia . Ameghiniana , 41 : 75 – 82 .
   Web of Science ®Google Scholar
• Olsen , P. E. and Baird , D. 1986 . “ The ichnogenus Atreipus and its significance for Triassic biostratigraphy ” . In The Beginning of the Age of Dinosaurs , Edited by: Padian , K. 61 – 87 . Cambridge : Cambridge University Press .
   Google Scholar
• Olshevsky , G. 1991 . A revision of the Parainfraclass Archosauria Cope, 1869, excluding the advanced Crocodylia , Mesozoic Meanderings, no 2 196 San Diego : Publications Requiring Research .
   Google Scholar
• Osborn , H. F. 1923 . Two lower Cretaceous dinosaurs from Mongolia . American Museum Novitates , 95 : 1 – 10 .
   Google Scholar
• Ostrom , J. H. 1970 . Stratigraphy and paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin area, Wyoming and Montana . Bulletin, Peabody Museum of Natural History , 30 : 1 – 234 .
   Google Scholar
• Owen , R. 1842 . Report on British fossil reptiles, part II . Report for the British Association for the Advancement of Science, Plymouth , 1841 : 60 – 294 .
   Google Scholar
• _____ . 1861a . Monograph on the Fossil Reptilia of the Liassic formations. Part 1. A monograph of a fossil dinosaur (Scelidosaurus harrisonii Owen) of the Lower Lias . Palaeontographical Society Monograph , 13 : 1 – 14 .
   Google Scholar
• _____ . 1861b . Monograph on the fossil Reptilia of the Wealden and Purbeck Formations. Part V. Lacertilia . Palaeontographical Society Monograph , 12 : 31 – 39 .
   Google Scholar
• _____ . 1863 . A monograph on the Fossil Reptilia of the Liassic formations. Part 2. A monograph of a fossil dinosaur (Scelidosaurus harrisonii Owen) of the Lower Lias . Palaeontographical Society Monograph , 2 : 1 – 26 .
   Google Scholar
• Padian , K. 1989 . Presence of the dinosaur Scelidosaurus indicates Jurassic age for the Kayenta Formation (Glen Canyon Group, northern Arizona) . Geology , 17 : 438 – 441 .
   Web of Science ®Google Scholar
• Parish , J. 2003 . Evolutionary history of the Ankylosauria (Dinosauria: Ornithischia) . Journal of Vertebrate Paleontology , 23 (suppl.) : 85A
   Google Scholar
• Parker , W. G. , Irmis , R. B. , Nesbitt , S. J. , Martz , J. W. and Browne , L. S. 2005a . The Late Triassic pseudosuchian Revueltosaurus callenderi and its implications for the diversity of early ornithischian dinosaurs . Proceedings of the Royal Society Series B , 272 : 963 – 969 .
   Web of Science ®Google Scholar
• _____ , _____ and _____ . 2005b . Critical review of the Late Triassic dinosaur record, part 1: Revueltosaurus callenderi . Journal of Vertebrate Paleontology , 25 (suppl.) : 99A
   Google Scholar
• Parks , W. A. 1922 . Parasaurolophus walkeri, a new genus and species of crested trachodont dinosaur . University of Toronto Studies (Geological Series) , 13 : 1 – 32 .
   Google Scholar
• _____ . 1926 . Thescelosauruswarreni, a new species of ornithopodous dinosaur from the Edmonton Formation of Alberta . University of Toronto Studies (Geological Series) , 21 : 1 – 42 .
   Google Scholar
• Peng , G. 1990 . [A new species of small ornithopod from Zigong, Sichuan] . Journal of the Zigong Dinosaur Museum , 2 : 19 – 27 . [In Chinese]
   Google Scholar
• _____ . 1992 . [Jurassic Ornithopod Agilisaurus louderbacki (Ornithopoda: Fabrosauridae) from Zigong, Sichuan, China] . Vertebrata PalAsiatica , 30 : 39 – 51 . [In Chinese with English summary]
   Google Scholar
• _____ . 1997 . “ Fabrosauridae ” . In Encyclopaedia of Dinosaurs , Edited by: Currie , P. J. and Padian , K. 237 – 240 . San Diego : Academic Press .
   Google Scholar
• Perle , A. , Maryańska , T. and Osmólska , H. 1982 . Goyocephale lattimorei gen. et sp. n., a new flat‐headed pachycephalosaur (Ornithischia, Dinosauria) from the Upper Cretaceous of Mongolia . Acta Palaeontologica Polonica , 27 : 115 – 127 .
   Google Scholar
• Peters , D. 2000 . A re‐examination of four prolacertiforms with implications for pterosaur phylogenies . Rivista Italiana di Paleontologia e Stratigrafia , 106 : 293 – 336 .
   Web of Science ®Google Scholar
• Pincemaille‐Quillévéré , M. 2002 . Description d'un squelette partiel de Rhabdodon priscus (Euornithopoda) du Crétacé Superieur de Vitrolles (Bouches du Rhône, France) . Oryctos , 4 : 39 – 70 .
   Google Scholar
• Prendini , L. 2001 . Species or supraspecific taxa as terminals in cladistic analysis? Groundplans versus exemplars revisited . Systematic Biology , 50 : 290 – 300 .
   PubMed Web of Science ®Google Scholar
• Rauhut , O. W. M. 2003 . The interrelationships and evolution of basal theropod dinosaurs . Special Papers in Palaeontology , 69 : 1 – 215 .
   Google Scholar
• Reig , O. A. 1963 . La presencia de dinosaurios saurisquios en los “Estrados de Ischigualasto” (Mesotriásico superior) de las Provincias de San Juan y La Rioja (Republica Argentina) . Ameghiniana , 3 : 3 – 20 .
   Google Scholar
• Rich , T. and Vickers‐Rich , P. 1989 . Polar dinosaurs and the biotas of the Early Cretaceous of southeastern Australia . National Geographic Research , 5 : 15 – 53 .
   Google Scholar
• _____ and _____ . 1999 . The Hypsilophodontidae from southeastern Australia . National Science Museum of Tokyo Monographs , 15 : 167 – 180 .
   Google Scholar
• Rixon , A. E. 1968 . The development of the remains of a small Scelidosaurus from a Lias nodule . Museums Journal , 67 : 315 – 321 .
   Google Scholar
• Romer , A. S. 1956 . Osteology of the Reptiles , 772 Chicago : University of Chicago Press .
   Google Scholar
• _____ . 1972 . The Chanares (Argentina) Triassic reptile fauna. XV. Further remains of the thecodonts Lagerpeton and Lagosuchus . Breviora , 394 : 1 – 7 .
   Google Scholar
• Rosenbaum , J. N. and Padian , K. 2000 . New material of the basal thyreophoran Scutellosaurus lawleri from the Kayenta Formation (Lower Jurassic) of Arizona . PaleoBios , 20 : 13 – 23 .
   Google Scholar
• Salgado , L. , Coria , R. A. and Heredia , S. E. 1997 . New materials of Gasparinisaura cincosaltensis (Ornithischia, Ornithopoda) from the Upper Cretaceous of Argentina . Journal of Paleontology , 71 : 933 – 940 .
   Web of Science ®Google Scholar
• Santa Luca , A. P. 1980 . The postcranial skeleton of Heterodontosaurus tucki (Reptilia, Ornithischia) from the Stormberg of South Africa . Annals of the South African Museum , 79 : 159 – 211 .
   Google Scholar
• _____ . 1984 . Postcranial remains of Fabrosauridae (Reptilia: Ornithischia) from the Stormberg of Southern Africa . Palaeontologia Africana , 25 : 151 – 180 .
   Google Scholar
• _____ , Crompton , A. W. and Charig , A. J. 1976 . A complete skeleton of the late Triassic ornithischian Heterodontosaurus tucki . Nature , 264 : 324 – 328 .
   Web of Science ®Google Scholar
• Sanz , J. L. , Santafé , J. V. and Casanovas , L. 1983 . Wealden ornithopod dinosaur Hypsilophodon from the Capas Rojas Formation (lower Aptian, Lower Cretaceous) of Morella, Castellón, Spain . Journal of Vertebrate Paleontology , 3 : 39 – 42 .
   Google Scholar
• Scheetz , R. D. 1998 . Phylogeny of basal ornithopod dinosaurs and the dissolution of the Hypsilophodontidae . Journal of Vertebrate Paleontology , 18 (suppl.) : 75A
   Google Scholar
• _____ . 1999 . Osteology of Orodromeus makelai and the phylogeny of basal ornithopod dinosaurs , 186 Bozeman : Montana State University . Unpublished PhD thesis:
   Google Scholar
• Seeley , H. G. 1887 . On the classification of the fossil animals commonly named Dinosauria . Proceedings of the Royal Society of London , 43 : 165 – 171 .
   Google Scholar
• Sereno , P. C. The phylogeny of Ornithischia; a reappraisal . Third Symposium on Mesozoic Terrestrial Ecosystems, short papers . Edited by: Reif , W.‐E. and Westphal , F. pp. 219 – 226 . Tubingen : Attempto Verlag .
   Google Scholar
• _____ . 1986 . Phylogeny of the bird‐hipped dinosaurs (Order Ornithischia) . National Geographic Research , 2 : 234 – 256 .
   Google Scholar
• _____ . 1987 . The ornithischian dinosaur Psittacosaurus from the Lower Cretaceous of Asia and the relationships of the Ceratopsia , 554 New York : Columbia University . Unpublished PhD thesis:
   Google Scholar
• _____ . 1990a . “ Psittacosauridae ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 579 – 592 . Berkeley : University of California Press .
   Google Scholar
• _____ . 1990b . “ New data on parrot‐beaked dinosaurs (Psittacosaurus) ” . In Dinosaur Systematics: Approaches and Perspectives , Edited by: Carpenter , K. and Currie , P. J. 203 – 210 . Cambridge : Cambridge University Press .
   Google Scholar
• _____ . 1991a . Lesothosaurus, “fabrosaurids,” and the early evolution of Ornithischia . Journal of Vertebrate Paleontology , 11 : 168 – 197 .
   Google Scholar
• _____ . 1991b . Basal archosaurs: phylogenetic relationships and functional implications . Memoirs of the Society of Vertebrate Paleontology , 2 : 1 – 51 .
   Google Scholar
• _____ . 1993 . The pectoral girdle and forelimb of the basal theropod Herrerasaurus ischigualastensis . Journal of Vertebrate Paleontology , 13 : 425 – 450 .
   Google Scholar
• _____ . 1997 . The origin and evolution of dinosaurs . Annual Review of Earth and Planetary Science , 25 : 435 – 489 .
   Web of Science ®Google Scholar
• _____ . 1998 . A rationale for phylogenetic definitions, with application to the higher‐level taxonomy of Dinosauria . Neues Jahrbuch fur Geologie und Palaontologie. Abhandlungen , 210 : 41 – 83 .
   Google Scholar
• _____ . 1999a . The evolution of dinosaurs . Science , 284 : 2137 – 2147 .
   PubMed Web of Science ®Google Scholar
• _____ . 1999b . A rationale for dinosaurian taxonomy . Journal of Vertebrate Paleontology , 19 : 788 – 790 .
   Web of Science ®Google Scholar
• _____ . 2000 . “ The fossil record, systematics and evolution of pachycephalo‐saurs and ceratopsians from Asia ” . In The Age of Dinosaurs in Russia and Mongolia , Edited by: Benton , M. J. , Shishkin , M. A. , Unwin , D. M. and Kurochkin , E. N. 480 – 516 . Cambridge : Cambridge University Press .
   Google Scholar
• _____ and Arcucci , A. B. 1993 . Dinosaurian precursors from the Middle Triassic of Argentina: Lagerpeton chanarensis . Journal of Vertebrate Paleontology , 13 : 385 – 399 .
   Google Scholar
• _____ and _____ . 1994 . Dinosaurian precursors from the Middle Triassic of Argentina: Marasuchus lilloensis, gen. nov . Journal of Vertebrate Paleontology , 14 : 53 – 73 .
   Web of Science ®Google Scholar
• _____ and Chao , S. 1988 . Psittacosaurus xinjiangensis (Ornithischia: Ceratopsia), a new psittacosaur from the Lower Cretaceous of northwestern China . Journal of Vertebrate Paleontology , 8 : 353 – 365 .
   Google Scholar
• _____ and Dong , Z. 1992 . The skull of the basal stegosaur Huayangosaurus taibaii and a cladistic diagnosis of Stegosauria . Journal of Vertebrate Paleontology , 12 : 318 – 343 .
   Web of Science ®Google Scholar
• _____ and Novas , F. E. 1993 . The skull and neck of the basal theropod Herrerasaurus ischigualastensis . Journal of Vertebrate Paleontology , 13 : 451 – 476 .
   Google Scholar
• _____ , Chao , S. , Cheng , Z. and Rao , C. 1988 . Psittacosaurus meileyingensis (Ornithischia; Ceratopsia) a new psittacosaur from the Lower Cretaceous of Northeastern China . Journal of Vertebrate Paleontology , 8 : 366 – 377 .
   Google Scholar
• Smith , J. B. 1997 . “ Heterodontosauridae ” . In Encyclopaedia of Dinosaurs , Edited by: Currie , P. J. and Padian , K. 317 – 320 . San Diego : Academic Press .
   Google Scholar
• Sternberg , C. M. 1940 . Thescelosaurus edmontonensis, n. sp., and classification of the Hypsilophodontidae . Journal of Paleontology , 14 : 481 – 494 .
   Google Scholar
• _____ . 1945 . Pachycephalosauridae proposed for dome‐headed dinosaurs, Ste‐goceras lambein. sp., described . Journal of Paleontology , 19 : 534 – 538 .
   Google Scholar
• Sues , H.‐D. 1980 . Anatomy and relationships of a new hypsilophodontid dinosaur from the Lower Cretaceous of North America . Palaeontographica, Abteilung A , 169 : 51 – 72 .
   Google Scholar
• _____ and Galton , P. M. 1982 . The systematic position of Stenopelix valdensis (Reptilia: Ornithischia) from the Wealden of north‐western Germany . Palaeontographica, Abteilung A. , 178 : 183 – 190 .
   Google Scholar
• _____ and _____ . 1987 . Anatomy and classification of the North American Pachycephalosauria (Dinosauria: Ornithischia) . Palaeontographica, Abteilung A. , 198 : 1 – 40 .
   Google Scholar
• _____ and Norman , D. B. 1990 . “ Hypsilophodontidae, Tenontosaurus, and Dryosauridae ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 498 – 509 . Berkeley : University of California Press .
   Google Scholar
• Sullivan , R. M. 2003 . Revision of the dinosaur Stegoceras Lambe (Or‐nithischia, Pachycephalosauridae) . Journal of Vertebrate Paleontology , 23 : 181 – 207 .
   Web of Science ®Google Scholar
• _____ . 2006 . A taxonomic review of the Pachycephalosauridae (Dinosauria: Ornithischia) . New Mexico Museum of Natural History and Science Bulletin , 35 : 347 – 365 .
   Google Scholar
• Swofford , D. L. 2002 . PAUP*: Phylogenetic Analysis Using Parsimony (*and Other Methods), Version 4 , Sunderland, Massachusetts : Sinauer Associates .
   Google Scholar
• Thorley , J. L. and Page , R. D. M. 2000 . RadCon: phylogenetic tree comparison and consensus . Bioinformatics , 16 : 486 – 487 .
   PubMed Web of Science ®Google Scholar
• Thulborn , R. A. 1970a . The skull of Fabrosaurus australis, a Triassic ornithischian dinosaur . Palaeontology , 13 : 414 – 432 .
   Google Scholar
• _____ . 1970b . The systematic position of the Triassic ornithischian dinosaur Lycorhinus angustidens . Zoological Journal of the Linnean Society , 49 : 235 – 245 .
   Google Scholar
• _____ . 1971 . Origin and evolution of ornithischian dinosaurs . Nature , 234 : 75 – 78 .
   Web of Science ®Google Scholar
• _____ . 1972 . The postcranial skeleton of the Triassic ornithischian dinosaur Fabrosaurus australis . Palaeontology , 15 : 29 – 60 .
   Google Scholar
• _____ . 1974 . A new heterodontosaurid dinosaur (Reptilia: Ornithischia) from the Upper Triassic Red Beds of Lesotho . Zoological Journal of the Linnean Society , 55 : 151 – 175 .
   Web of Science ®Google Scholar
• Vickaryous , M. K. , Maryańska , T. and Weishampel , D. B. 2004 . “ Ankylosauria ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 363 – 392 . Berkeley : University of California Press .
   Google Scholar
• _____ , Russell , A. P. , Currie , P. J. and Zhao , X. J. 2001 . A new ankylosaurid (Dinosauria: Ankylosauria) from the Lower Cretaceous of China, with comments on ankylosaurian relationships . Canadian Journal of Earth Sciences , 38 : 1767 – 1780 .
   Web of Science ®Google Scholar
• Wagner , J. R. 2004 . “ The phylogenetic nomenclature of ornithischian dinosaurs (Vertebrata: Reptilia) and a consideration of the difficulties in converting the names of extinct clades ” . In Abstracts, First International Phylogenetic Nomenclature Meeting , Edited by: Laurin , M. 28 Paris : Museum National d'Histoire Naturelle .
   Google Scholar
• Weishampel , D. B. 1990 . “ Ornithopoda ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 484 – 485 . Berkeley : University of California Press .
   Google Scholar
• _____ . 2004 . “ Ornithischia ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 323 – 324 . Berkeley : University of California Press .
   Google Scholar
• _____ and Heinrich , R. E. 1992 . Systematics of Hypsilophodontidae and basal Iguanodontia (Dinosauria: Ornithopoda) . Historical Biology , 6 : 159 – 184 .
   Google Scholar
• _____ and Witmer , L. M. 1990a . “ Lesothosaurus, Pisanosaurus, and Techno‐saurus ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 416 – 425 . Berkeley : University of California Press .
   Google Scholar
• _____ and _____ . 1990b . “ Heterodontosauridae ” . In The Dinosauria, , First Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 486 – 497 . Berkeley : University of California Press .
   Google Scholar
• _____ , Dodson , P. and Osmolska , H. 1990 . The Dinosauria, , First Edition , 733 Berkeley : University of California Press .
   Google Scholar
• _____ , _____ and _____ . 1992 . The Dinosauria, , (First Paperback Edition) , 733 Berkeley : University of California Press .
   Google Scholar
• _____ , Jianu , C.‐M. , Csiki , Z. and Norman , D. B. 2003 . Osteology and phylogeny of Zalmoxes (N. G.), an unusual euornithopod dinosaur from the latest Cretaceous of Romania . Journal of Systematic Palaeontology , 1 : 65 – 123 .
   Google Scholar
• _____ , Dodson , P. and Osmolska , H. 2004a . The Dinosauria, , Second Edition , 861 Berkeley : University of California Press .
   Google Scholar
• _____ , Barrett , P. M. , Coria , R. A. , Le Loeuff , J. , Xu , X. , Zhao , X. , Sahni , A. , Gomani , E. M. P. and Noto , C. R. 2004b . “ Dinosaur distribution ” . In The Dinosauria, , Second Edition , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 517 – 606 . Berkeley : University of California Press .
   Google Scholar
• Wiens , J. J. 1998 . The accuracy of methods for coding and sampling higher‐level taxa for phylogenetic analysis: a simulation study . Systematic Biology , 47 : 397 – 413 .
   PubMed Web of Science ®Google Scholar
• Wilkinson , M. 1994 . Common cladistic information and its consensus representation: reduced Adams and reduced cladistic consensus trees and profiles . Systematic Biology , 43 : 343 – 368 .
   Web of Science ®Google Scholar
• _____ . 1995a . Arbitrary resolutions, missing entries, and the problem of zero‐length branches in parsimony analysis . Systematic Biology , 44 : 108 – 111 .
   Web of Science ®Google Scholar
• _____ . 1995b . More on reduced consensus methods . Systematic Biology , 44 : 435 – 439 .
   Web of Science ®Google Scholar
• _____ . 1995c . Coping with abundant missing entries in phylogenetic inference using parsimony . Systematic Biology , 44 : 501 – 514 .
   Web of Science ®Google Scholar
• _____ . 1996 . Majority‐rule reduced consensus methods and their use in bootstrapping . Molecular Biology and Evolution , 13 : 437 – 444 .
   PubMed Web of Science ®Google Scholar
• _____ . 2001a . TAXEQ3. Software and documentation , London : The Department of Zoology, Natural History Museum . Available at: www.nhm. ac.uk/research‐curation/projects/software/mwphylogeny.html
   Google Scholar
• _____ . 2001b . REDCON 3.0. Software and documentation , London : The Department of Zoology, Natural History Museum . Available at: www.nhm. ac.uk/research‐curation/projects/software/mwphylogeny.html
   Google Scholar
• _____ . 2003 . Missing entries and multiple trees: instability, relationships and support in parsimony analysis . Journal of Vertebrate Paleontology , 23 : 311 – 323 .
   Web of Science ®Google Scholar
• _____ , Thorley , J. L. and Upchurch , P. 2000 . A chain is no stronger than its weakest link: double decay analysis of phylogenetic hypotheses . Systematic Biology , 49 : 754 – 776 .
   PubMed Web of Science ®Google Scholar
• Williamson , T. E. and Carr , T. D. 2002 . A new genus of derived pachy‐cephalosaurian from western North America . Journal of Vertebrate Paleontology , 22 : 779 – 801 .
   Web of Science ®Google Scholar
• Winkler , D. A. , Murry , P. A. and Jacobs , L. L. 1997 . A new species of Tenontosaurus (Dinosauria: Ornithopoda) from the Early Cretaceous of Texas . Journal of Vertebrate Paleontology , 17 : 330 – 348 .
   Web of Science ®Google Scholar
• _____ , _____ and _____ . 1998 . The new ornithopod dinosaur from Proctor Lake, Texas, and the deconstruction of the family Hypsilophodontidae . Journal of Vertebrate Paleontology , 18 (suppl.) : 87A
   Google Scholar
• Xu , X. , Wang , X.‐L. and You , H.‐L. 2000 . A primitive ornithopod from the Early Cretaceous Yixian Formation of Liaoning . Vertebrata PalAsiatica , 38 : 318 – 325 .
   Google Scholar
• _____ , _____ and _____ . 2001 . A juvenile ankylosaur from China . Naturwissenschaften , 88 : 297 – 300 .
   PubMed Web of Science ®Google Scholar
• _____ , Forster , C. A. , Clark , J. M. and Mo , J. 2006 . A basal ceratopsian with transitional features from the Late Jurassic of northwestern China . Proceedings of the Royal Society B , 273 : 2135 – 2140 .
   PubMed Web of Science ®Google Scholar
• _____ , Makovicky , P. J. , Wang , X.‐L. , Norell , M. A. and You , H.‐L. 2002 . A ceratopsian dinosaur from China and the early evolution of Ceratopsia . Nature , 416 : 314 – 317 .
   PubMed Web of Science ®Google Scholar
• Yates , A. M. 2003 . A new species of the primitive dinosaur Thecodon‐tosaurus (Saurischia: Sauropodomorpha) and its implications for the systematics of early dinosaurs . Journal of Systematic Palaeontology , 1 : 1 – 42 .
   Google Scholar
• You , H.‐L. and Dodson , P. 2003 . Redescription of neoceratopsian dinosaur Archaeoceratops and early evolution of Neoceratopsia . Acta Palaeontologica Polonica , 48 : 261 – 272 .
   Web of Science ®Google Scholar
• _____ and _____ . 2004 . “ Basal Ceratopsia ” . In The Dinosauria, , 2nd ed. , Edited by: Weishampel , D. B. , Dodson , P. and Osmolska , H. 478 – 493 . Berkeley : University of California Press .
   Google Scholar
• _____ , Xu , X. and Wang , X.‐L. 2003 . A new genus of Psittacosauridae (Dinosauria: Ornithopoda) and the origin and early evolution of marginocephalian dinosaurs . Acta Geologica Sinica , 77 : 15 – 20 .
   Web of Science ®Google Scholar
• Zhao , X.‐J. , Cheng , Z.‐W. and Xu , X. 1999 . The earliest ceratopsian from the Tuchengzi Formation of Liaoning, China . Journal of Vertebrate Paleontology , 19 : 681 – 691 .
   Web of Science ®Google Scholar
• E‐mail: [email protected]
   Google Scholar
• Email: [email protected]
   Google Scholar
• Email: [email protected]
   Google Scholar