Chabu Sumu (SCDP) (Cretaceous of China)

Where: Nei Mongol, China (39.1° N, 108.0° E: paleocoordinates 40.3° N, 109.7° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Laohongdong Formation (Zhidan Group), Early/Lower Cretaceous (145.0 - 100.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; gray, green mudstone

• "thin, grey-green mudstones"

Size class: macrofossils

Collected in 1990; reposited in the IVPP

Collection methods: quarrying, mechanical,

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: general faunal/floral analysis

PaleoDB collection 46936: authorized by Matthew Carrano, entered by Matthew Carrano on 26.01.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Choristodera -
Ikechosaurus sunailinae1 Sigogneau-Russell 1981 choristodere
 Testudines - Sinemydidae
Sinemys brevispinus n. sp.2 Tong and Brinkman 2012 turtle
IVPP V9538-1, a nearly complete skeleton (holotype)