Yixian "bristled" Psittacosaurus site (PROXY) (Cretaceous to of China)

Where: Liaoning, China (41.8° N, 120.7° E: paleocoordinates 44.5° N, 122.5° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Yixian Formation (Jehol Group), Late/Upper Barremian to Late/Upper Barremian (130.0 - 122.5 Ma)

• Yixian Formation thought to be Early Cretaceous

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; silty, carbonaceous claystone

• "a carbonaceous clay material with an admixture of a fine silty material" (Lingham-Soliar and Plodowski 2010)

Size class: macrofossils

Preservation: adpression, soft parts

Collection methods: mechanical

• purchased from private collectors, so locality data are sketchy; additional details supposedly forthcoming

Primary reference: G. Mayr, D. S. Peters, G. Plodowski and O. Vogel. 2002. Bristle-like integumentary structures at the tail of the horned dinosaur Psittacosaurus. Naturwissenschaften 89:361-365 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 25835: authorized by Matthew Carrano, entered by Matthew Carrano on 25.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Ornithischia -
Psittacosaurus sp.
Psittacosaurus sp. Osborn 1923 ceratopsian
SMF R 4970