Where: Gansu, China (41.5° N, 97.6° E: paleocoordinates 40.8° N, 98.8° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: "lower" Formation (Xinminbao Group), Barremian to Barremian (130.0 - 112.0 Ma)

• unnamed lower part of group; = Xinminpu Group

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; fine-grained, gray, red sandstone

Size class: mesofossils

Collected in 1992

Collection methods: quarrying, mechanical,

Primary reference: Z. Dong. 1997. On the crocodiles from the Mazongshan area, Gansu Province, China. In Z. Dong (ed.), Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 11-12 [M. Carrano/M. Carrano/M. Carrano] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45170: authorized by Matt Carrano, entered by Matt Carrano on 08.10.2004