Tanggula Mountains, H 45-20, Matuo Formation (Jurassic to of China)

Where: Qinghai, China (33.3° N, 92.0° E: paleocoordinates 25.6° N, 89.4° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Matuo Formation (Yanshiping Group), Bajocian to Bajocian (170.3 - 164.7 Ma)

• shell bed

• bed-level stratigraphic resolution

Environment/lithology: marginal marine

• The province represents extensive marginal marine environments ranging from nearshore shelf to restricted embayments, lagoons and freshwater lakes.
• The Matuo Fm is composed of marls, silty and fine-grained sandstones.

Size class: macrofossils

Collection methods: chemical, mechanical,

• focus on bivalves

Primary reference: J. Yin and F. T. Fürsich. 1991. Middle and Upper Jurassic bivalves from the Tanggula Mountains, W-China. Beringeria, Würzburger geowissenschaftliche Mitteilungen 4:127-192 [M. Aberhan/S. Nurnberg/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37896: authorized by Martin Aberhan, entered by Sabine Nürnberg on 27.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ostreida - Malleidae
"Isognomon (Mytiloperna) sp." = Mytiloperna
"Isognomon (Mytiloperna) sp." = Mytiloperna oyster