Where: Nei Mongol, China (41.2° N, 106.1° E: paleocoordinates 42.0° N, 106.2° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Bayin Gobi Formation, Aptian (125.5 - 112.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lacustrine; fine-grained, gray claystone

Size classes: macrofossils, mesofossils, microfossils

Collected in 1985-1988; reposited in the IVPP

Collection methods: bulk, quarrying, mechanical,

• includes sediment samples by previous geological parties

Primary reference: Z.-M. Dong. 1994. The field activities of the Sino-Canadian Dinosaur Project in China, 1987-1990. Canadian Journal of Earth Sciences 30(10-11):1997-2001 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 46881: authorized by Matt Carrano, entered by Matt Carrano on 24.01.2005