Species: mongoliensis OSBORN, 1923
Etymology:

Locality: Red Mesa, Artsa Bogdo basin, Ööshinn Nuur (Oshih Basin), Northern Gobi, Mongolia.

Horizon: Ohshih Formation,

Biostratigraphy:

Age: Aptian-Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Referred material:

SERENO, 1987

AMNH 6260: Fragmentary skeleton including a cranium, lacking the dorsal skull roof in a block, and postcranial including articulated cervicals 1-7, sacrum with ossified tendons, caudals, fragmentary humeri, radii, ulnae, carpus, manus, femora, tibiae, fibulae, astragalia, left distal tarsals, left metatarsals and proximal phalanges and skin impressions.

 

= Psittacosaurus cf. P. mongoliensis DONG, 2003

STEGHAUS-KOVAC, 2002, MAYR, PETERS, PLODOWSKI, & VOGEL, 2002

Locality: Unknown, possibly from Sihetung near Beipiao City, Liaoning Province, China.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material:

SMF R 4970: Nearly complete specimen.
Note: Has long filaments on the tail.

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Sp

JI & BO, 1998

Locality: Sihetun Village, Beipiao City, Western Liaoning, China.

Horizon:

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Fragmentary specimen with skin impressions.

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LINGHAM-SOLIAR, 2007

Locality: Liaoning Province, China.

Horizon: Yixian Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

MV53: Nearly complete specimen with skin impressions.

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Psittacosauridae incertae sedis

JI, 2004

Locality: Dawangzhangzi Village, Lingyuan, western Liaoning Province, China.

Horizon: Yixian Formation.

Biostratigraphy:

Age: Early Cretaceous.

Material:

Number: Not given: Fragmentary skeleton with skin impressions.