Also known as Ologai Ulaan Tsab, Soviet-Mongolian Geological Expedition, Algui Ulaan Tsav; Olgoy Ulan Tsav, Algui Ulaan Tsav

Where: Dalanzagad, Mongolia (44.5° N, 104.7° E: paleocoordinates 47.6° N, 95.5° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Upper Member (Ulaanoosh Formation), Late/Upper Albian to Late/Upper Albian (105.3 - 93.9 Ma)

• originally assigned to Barun Goyot (Late Cretaceous) but now considered to be Lower Cretaceous age; later assigned to Baruunbayan Fm.

• bed-level stratigraphic resolution

Environment/lithology: alluvial fan; concretionary, brown, red, carbonaceous claystone and conglomerate

Size classes: macrofossils, mesofossils

Collected by MPE, SMPE/SMGE in 1946, 1967–1968

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

• several clutches - multicanaliculate

Primary reference: A. V. Sochava. 1969. Dinosaur eggs from the Upper Cretaceous of the Gobi Desert. Paleontological Journal 1969(4):517-527 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 60457: authorized by Matthew Carrano, entered by Kaitlin Maguire on 15.05.2006, edited by Matthew Carrano and Philip Mannion

Creative Commons license: CC BY (attribution)