Also known as MONG-09, Andai-Sayr Anda-Khuduk well

Where: Mongolia (44.7° N, 101.9° E: paleocoordinates 45.7° N, 103.5° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Anda-Khuduk Formation, Hauterivian to Hauterivian (136.4 - 125.5 Ma)

• "paper shales" level

• bed-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; shale

Size classes: macrofossils, microfossils

Collected by W. Granger in 1922; reposited in the AMNH, PIN

Collection methods: quarrying, surface (float), surface (in situ), mechanical,

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 48940: authorized by Matt Carrano, entered by Matt Carrano on 04.04.2005