Wanchuan Pass (AMNH quarry 107) (Cretaceous of China)

Also known as Central Asiatic Expedition, Wan Ch'uan, CAE

Where: Hebei, China (40.9° N, 114.7° E: paleocoordinates 43.0° N, 116.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Wanchuan Formation, Early/Lower Cretaceous (145.0 - 100.5 Ma)

• also called Wan Ch'uan Formation, fossils from "upper 2000 feet" of formation; also referred to as the "Nantienmen" beds by Granger

• member-level stratigraphic resolution

Environment/lithology: terrestrial; fine-grained sandstone and claystone

• "finer sands and clays"

Size class: macrofossils

Collected by Morris & Barbour in 1922; reposited in the AMNH

• Collected by Morris & Barbour (listed as 1925 in Gilmore 1933)

Primary reference: R. C. Andrews. 1932. The New Conquest of Central Asia: A Narrative of the Explorations of the Central Asiatic Expeditions ni Mongolia and China, 1921-1930. Natural History of Central Asia 1:1-678 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48929: authorized by Matthew Carrano, entered by Matthew Carrano on 04.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Saurischia - Deinodontidae
Deinodontidae indet. Brown 1914 tetanuran
2 collections but may be 1 individual