ammonites
Houtiyn-Hotgor Depression (outcrop 296/8) (Jurassic of Mongolia)

Also known as PIN collection 3688

Where: Dund-Gov’ Aymag, Mongolia (45.6° N, 107.8° E: paleocoordinates 47.0° N, 110.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ulaan-Ereg Formation, Tithonian (150.8 - 145.5 Ma)

Environment/lithology: lacustrine; shale

• "Paper shales"

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Reposited in the PIN

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 122318: authorized by Matthew Clapham, entered by Jered Karr on 21.12.2011

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