ammonites
Bahar outcrop 208/4 (PIN collection 3791) (Jurassic to of Mongolia)

Also known as Bakhar

Where: Bayan-Khongor, Mongolia (45.0° N, 99.0° E: paleocoordinates 50.1° N, 102.4° E)

• coordinate based on nearby landmark

When: Togo-Khuduk Formation (Bahar Group), Bajocian to Bajocian (171.6 - 164.7 Ma)

• age taken from Blagoderov et al., 2007

• bed-level stratigraphic resolution

Environment/lithology: lacustrine - large; claystone

• Inland basin, more than 1000 km from coastline
• "thinly bedded clays"

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Collected by A. G Ponomarenko in 1982; reposited in the PIN

Primary reference: D. E. Shcherbakov. 1988. Novye Mezozojskie Pavnokrylye. In A. Y. Rozanov (ed.), Novye Iskopaemykh Bespozvonochnykh Mongolii, Sovmestnaya Sovetsko-Mongol'skaya Paleontologicheskaya Ekspeditsiya 33:60-63 [M. Clapham/J. Karr/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114615: authorized by Matthew Clapham, entered by Jered Karr on 17.08.2011, edited by Matthew Clapham

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