ammonites
Outcrop 155/6 Anda-Khuduk 2 well, Ushgiin-Nur Mountains (Cretaceous to of Mongolia)

Also known as PIN collection 3145

Where: Mongolia (45.4° N, 101.8° E: paleocoordinates 47.1° N, 102.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Primary reference: Y. A. Popov. 1988. Novye Mezozojskie Klory Prebljaki (Corixidae, Shurabellidae). In A. Y. Rozanov (ed.), Novye Iskopaemykh Bespozvonochnykh Mongolii, Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 33:63-71 [M. Clapham/J. Karr/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 122324: authorized by Matthew Clapham, entered by Jered Karr on 21.12.2011

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)