PBDB Taxon

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Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Psittacosaurus sinensis

Osteichthyes

Taxonomy

Psittacosaurus sinensis was named by Young (1958). Its type specimen is IVPP V.738, a partial skeleton, and it is not a trace fossil. Its type locality is northwest of Tushan, which is in an Aptian terrestrial claystone in the Doushan Formation of China.

Synonyms

Psittacosaurus youngi was named by Chao (1962). Its type specimen is BHNM BPV.149, a skeleton, and it is a 3D body fossil. Its type locality is Zaohang, south side of Peilungho, which is in an Aptian/Albian terrestrial horizon in the Doushan Formation of China.

It was synonymized subjectively with Psittacosaurus sinensis by Sereno (1990), You et al. (2008), Sereno (2010); it was synonymized subjectively with Psittacosaurus mongoliensis by Sereno (1997).

Synonymy list

Year	Name and author
1958	Psittacosaurus sinensis Young p. 116
1962	Psittacosaurus sinensis Chao p. 349
1962	Psittacosaurus youngi Chao p. 349–350
1964	Psittacosaurus sinensis Kuhn p. 29
1964	Psittacosaurus youngi Kuhn p. 29
1970	Psittacosaurus sinensis Russell p. 183
1977	Psittacosaurus sinensis Rozhdestvensky p. 114
1977	Psittacosaurus youngi Rozhdestvensky p. 114
1980	Psittacosaurus sinensis Chao
1980	Psittacosaurus youngi Chao
1981	Psittacosaurus sinensis Anonymous
1982	Psittacosaurus sinensis Cheng p. 123
1982	Psittacosaurus youngi Cheng p. 123
1982	Psittacosaurus sinensis Coombs, Jr. p. 99
1982	Psittacosaurus youngi Coombs, Jr. p. 99
1982	Psittacosaurus youngi Sues and Galton p. 188
1983	Psittacosaurus sinensis Chen p. 128
1983	Psittacosaurus yongi Chen p. 128
1984	Psittacosaurus youngi Russell p. 33
1986	Psittacosaurus youngi Hao p. 19
1986	Psittacosaurus sinensis Li et al. p. 131
1986	Psittacosaurus youngi Li et al. p. 131
1990	Psittacosaurus sinensis Sereno p. 207
1990	Psittacosaurus youngi Sereno p. 589
1992	Psittacosaurus sinensis Dong p. 166
1994	Psittacosaurus sinensis Dong p. 2097
1996	Psittacosaurus sinensis Lehman p. 506
1997	Psittacosaurus sinensis Sereno p. 611
2000	Psittacosaurus sinensis Leshchinskiy et al. p. 365
2001	Psittacosaurus sinensis Brinkman et al. p. 1781
2004	Psittacosaurus sinensis You and Dodson p. 479
2004	Psittacosaurus youngi You and Dodson p. 479
2006	Psittacosaurus sinensis Averianov et al. p. 390
2006	Psittacosaurus sinensis Zhou et al. p. 104
2007	Psittacosaurus sinensis Sereno et al. p. 277
2008	Psittacosaurus sinensis Lockley et al. p. 125
2008	Psittacosaurus youngi Lockley et al. p. 125
2008	Psittacosaurus sinensis You et al. p. 183
2009	Psittacosaurus sinensis Butler and Sullivan p. 30
2009	Psittacosaurus sinensis Tanoue et al. p. 428
2010	Psittacosaurus sinensis Sereno pp. 34-36
2010	Psittacosaurus sinensis Sereno et al. p. 200
2011	Psittacosaurus sinensis Maidment and Barrett p. 42
2013	Psittacosaurus sinensis Xing et al. p. 116
2013	Psittacosaurus youngi Xing et al. p. 116
2014	Psittacosaurus sinensis Hedrick et al. p. 322
2015	Psittacosaurus sinensis Han et al. p. 19
2015	Psittacosaurus sinensis Zheng et al. p. 5
2017	Psittacosaurus sinensis Zhang et al. p. 190
2018	Psittacosaurus youngi Lockley et al. p. 151
2018	Psittacosaurus sinensis Podlesnov p. 664
2018	Psittacosaurus sinensis Xing et al. p. 41
2019	Psittacosaurus sinensis Morschhauser et al. p. 129 fig. 10
2022	Psittacosaurus sinensis Son et al. p. 30

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	Osteichthyes
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()

Rank	Name	Author
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Genasauria
—	Cerapoda
—	Marginocephalia
—	Ceratopsia	()
genus	Psittacosaurus
species	sinensis

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 sinensis Young 1958

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Invalid names: Psittacosaurus youngi Chao 1962 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Entire body:

yesg

Adult length:

10 to < 100o

Adult width:

1.0 to < 10o

Adult height:

1.0 to < 10o

Architecture:

compact or denseo

Ontogeny:

accretion, modification of partso

Grouping:

gregariouso

Environment:

terrestrialg

Locomotion:

actively mobileo

Life habit:

ground dwellingg

Diet:

herbivoreg

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2005-08-25 05:49:05

Modified:

2005-10-26 13:40:59

Source: g = genus, o = order

References: Peczkis 1995, Marsh 1875

Age range: Aptian or 121.40000 to 113.20000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Aptian	121.4 - 113.2	China (Shandong)	Psittacosaurus sinensis (type locality: 55473 55475)
Aptian - Albian	121.4 - 100.5	China (Shandong)	Psittacosaurus youngi (230001)