Also known as Oshih Basin, Oosh Basin, Ööshiin Nuur

Where: Ovorkhangai, Mongolia (44.2° N, 102.7° E: paleocoordinates 45.0° N, 103.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• originally Ondai Sair Fm.; also called Oshih Fm. = Tevsh Fm.; assigned to the Khukhtekskaya (Hüteeg Svita)

•

•"Although the age remains somewhat uncertain, correlated exposures that appear to be of the same age have been dated at around 130 Ma (Samiolov et al., 1988; Watabe and Suzuki, 2000; Rougier et al., 2001; Prieto-Marquez et al., 2012)" (Conrad and Daza 2015).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size classes: macrofossils, mesofossils

Collected by W. Granger, Wong in 1922-1923; reposited in the AMNH

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

Primary reference: H. F. Osborn. 1924. Sauropoda and Theropoda from the Lower Cretaceous of Mongolia. American Museum Novitates 128:1-7 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 48937: authorized by Matthew Carrano, entered by Matthew Carrano on 04.04.2005, edited by Roger Benson and Philip Mannion

Creative Commons license: CC BY (attribution)