Where: Sichuan, China (30.2° N, 105.3° E: paleocoordinates 28.7° N, 109.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Penglaizhen Formation, Late/Upper Jurassic (161.5 - 145.0 Ma)

• lowest part of formation

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; sandstone

Size class: macrofossils

Collected in 1987

Collection methods: quarrying, mechanical,

Primary reference: X. He, S. Yang, K. Cai, K. Li, and Z. Liu. 1996. [A new species of sauropod, Mamenchisaurus anyuensis sp. nov.]. Papers on Geosciences Contributed to the 30th International Geological Congress 83-86 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58976: authorized by Matthew Carrano, entered by Matthew Carrano on 02.03.2006

Creative Commons license: CC BY (attribution)