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Psittacosaurus mongoliensis
Taxonomy
Psittacosaurus mongoliensis was named by Osborn (1923). Its type specimen is AMNH 6254, a skeleton, and it is a 3D body fossil. Its type locality is Red Mesa, Artsa Bogdo (AMNH Loc. 11494), which is in a Cretaceous terrestrial horizon in the Öösh Formation of Mongolia.
Synonyms
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Synonymy list
Year | Name and author |
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1923 | Psittacosaurus mongoliensis Osborn p. 2 |
1923 | Protiguanodon mongoliense Osborn p. 6 figs. 3-5 |
1924 | Protiguanodon mongoliense Osborn |
1924 | Psittacosaurus mongoliensis Osborn |
1929 | Protiguanodon mongoliense Jaekel p. 226 fig. 17 |
1930 | Protiguanodon mongoliense Osborn p. 528 |
1930 | Psittacosaurus mongoliensis Osborn p. 530 |
1932 | Psittacosaurus osborni Young p. 261–262 fig. 2–3 |
1932 | Psittacosaurus tingi Young p. 263 fig. 4 |
1935 | Protiguanodon mongoliense Young |
1935 | Psittacosaurus mongoliensis Young |
1935 | Psittacosaurus osborni Young |
1935 | Psittacosaurus tingi Young |
1953 | Psittacosaurus mongoliensis Bohlin p. 16 |
1955 | Protiguanodon mongoliense Rozhdestvensky p. 783 |
1955 | Psittacosaurus mongoliensis Rozhdestvensky p. 783 |
1955 | Psittacosaurus osborni Rozhdestvensky p. 783 |
1955 | Psittacosaurus tingi Rozhdestvensky p. 783 |
1958 | Psittacosaurus osborni Young pp. 128-129 |
1958 | Psittacosaurus protiguanodonensis Young p. 129 |
1962 | Psittacosaurus mongoliensis Chao p. 357 |
1962 | Psittacosaurus osborni Chao p. 357 |
1962 | Psittacosaurus protiguanodonensis Chao p. 357 |
1964 | Psittacosaurus mongoliensis Kuhn p. 29 |
1964 | Psittacosaurus osborni Kuhn p. 29 |
1964 | Psittacosaurus tingi Kuhn p. 29 |
1964 | Protiguanodon mongoliense Kuhn p. 30 |
1964 | Psittacosaurus mongoliensis Tatarinov p. 557 |
1967 | Protiguanodon mongoliensis Charig p. 717 |
1967 | Psittacosaurus mongoliensis Charig p. 717 |
1970 | Psittacosaurus mongoliensis Russell p. 183 |
1970 | Psittacosaurus mongoliensis Swinton pp. 232-233 |
1970 | Protiguanodon mongoliense Swinton p. 233 |
1974 | Psittacosaurus mongoliensis Rozhdestvensky p. 147 |
1977 | Psittacosaurus mongoliensis Rozhdestvensky p. 114 |
1980 | Psittacosaurus osborni Chao |
1980 | Psittacosaurus mongoliensis Coombs pp. 380-381 |
1982 | Psittacosaurus mongoliensis Cheng p. 123 |
1982 | Psittacosaurus osborni Cheng p. 123 |
1982 | Psittacosaurus protiguanodonensis Cheng p. 123 |
1982 | Psittacosaurus guyangensis Cheng p. 124–128 fig. 30–34 |
1982 | Psittacosaurus mongoliensis Coombs, Jr. p. 99 |
1982 | Psittacosaurus mongoliensis Sues and Galton p. 188 |
1986 | Psittacosaurus mongoliensis Qi et al. p. 192 |
1986 | Psittacosaurus mongoliensis Yu and Qi p. 162 |
1990 | Psittacosaurus mongoliensis Bakker et al. p. 13 |
1990 | Psittacosaurus mongoliensis Sereno p. 204 |
1990 | Psittacosaurus osborni Sereno p. 589 |
1992 | Psittacosaurus guyangensis Dong p. 111 |
1992 | Psittacosaurus mongoliensis Dong p. 166 |
1992 | Psittacosaurus osborni Dong p. 166 |
1994 | Psittacosaurus guyangensis Dong p. 2098 |
1994 | Psittacosaurus mongoliensis Dong p. 2098 |
1994 | Psittacosaurus mongoliensis Eberth et al. p. 2103 |
1997 | Psittacosaurus mongoliensis Barsbold p. 449 |
1997 | Psittacosaurus mongoliensis Dong p. 123 |
1997 | Psittacosaurus mongoliensis Erickson p. 5 |
1997 | Psittacosaurus mongoliensis Sereno p. 611 |
1999 | Psittacosaurus mongoliensis Wang et al. p. 3 |
2000 | Psittacosaurus mongoliensis Leshchinskiy et al. p. 365 |
2000 | Psittacosaurus mongoliensis Sereno p. 492 |
2000 | Protiguanodon mongoliensis Shuvalov p. 259 |
2000 | Psittacosaurus mongoliensis Shuvalov p. 262 |
2001 | Psittacosaurus mongoliensis Brinkman et al. p. 1781 |
2001 | Psittacosaurus mongoliensis Makovicky p. 255 |
2002 | Psittacosaurus mongoliensis Buchholz p. 19 |
2003 | Psittacosaurus mongoliensis Ruiz-Omeñaca and Canudo p. 296 |
2004 | Psittacosaurus guyangensis You and Dodson p. 479 |
2004 | Psittacosaurus mongoliensis You and Dodson p. 479 |
2004 | Psittacosaurus osborni You and Dodson p. 479 |
2006 | Psittacosaurus mongoliensis Averianov et al. p. 390 |
2006 | Psittacosaurus mongoliensis Campione and Holmes p. 1014 |
2006 | Psittacosaurus mongoliensis Zhao et al. p. 470 |
2006 | Psittacosaurus mongoliensis Zhou et al. p. 105 |
2007 | Psittacosaurus mongoliensis Sereno et al. p. 276 |
2008 | Psittacosaurus mongoliensis Alifanov p. 623 |
2008 | Psittacosaurus mongoliensis Butler et al. p. 8 |
2008 | Psittacosaurus mongoliensis You et al. p. 183 |
2009 | Psittacosaurus mongoliensis Butler and Sullivan p. 31 |
2009 | Psittacosaurus mongoliensis Tanoue et al. p. 428 |
2010 | Psittacosaurus mongoliensis Sereno p. 32 |
2010 | Psittacosaurus mongoliensis Sereno et al. p. 200 |
2012 | Psittacosaurus mongoliensis Prieto-Marquez et al. p. 119 |
2013 | Psittacosaurus mongoliensis Xing et al. p. 132 |
2014 | Psittacosaurus mongoliensis Hedrick et al. p. 322 |
2015 | Psittacosaurus mongoliensis Han et al. p. 19 |
2015 | Psittacosaurus mongoliensis Zheng et al. p. 6 fig. 3 |
2016 | Psittacosaurus mongoliensis Currie p. 84 |
2019 | Psittacosaurus mongoliensis Morschhauser et al. p. 129 fig. 10 |
2020 | Psittacosaurus mongoliensis Dieudonné et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Psittacosaurus mongoliensis Osborn 1923
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Invalid names: Protiguanodon mongoliense Osborn 1923 [synonym], Psittacosaurus guyangensis Cheng 1982 [synonym], Psittacosaurus osborni Young 1932 [synonym], Psittacosaurus protiguanodonensis Young 1958 [synonym], Psittacosaurus tingi Young 1932 [synonym]
Diagnosis
Reference | Diagnosis | |
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H. F. Osborn 1923 | Herbivorous diapsid reptile with pre-dentary bone and horny beak. Maxillary teeth compressed, not fully known. Skull short and deep, narrow anteriorly, broad posteriorly. Rostrum prominent, parrot-like, edentulous. Nostrils small, orbits large. Infraorbital region and jaw heavy, with attachment for powerful muscles. Primitive dermal armature in head region; lateral osseous horns on jugals. | |
H. F. Osborn 1923 (Protiguanodon mongoliense) | Probably a diapsid reptile with pre-dentary bone and horny beak. Nine teeth on the dentary, of iguanodont pattern. Rostrum short, jaw very deep but relatively slender. Teeth less compacted than in Psittacosaurus. Skull probably deep and short, without rostral prolongation. No evidence of dermal armature. Skeleton of Pro-Iguanodontia type; limbs of prebipedal type. Manus functionally tridactyl with vestigial IV. Pes functionally tetradactyl with vestigial V. Prominent prepubic process. Ilium, scapule and limbs of Pro-Iguanodontia type. Osseous tendons and tail indicating bipedal locomotion. |