Tanggula Mountains, H 330-1, Tuotuohe/Matuo Formation (Jurassic to of China)

Where: Qinghai, China (33.3° N, 90.8° E: paleocoordinates 25.5° N, 88.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Matuo or Tuotuohe Formation (Yanshiping Group), Bajocian to Bajocian (170.3 - 166.1 Ma)

• locality belongs either to Matuo or Tuotuohe Formation, Bajocian or Bathonian respectively; GENERAL COMMENT: bivalves are not evenly distributed throughout the sequence, but are concentrated at certain horizons, large parts of the sedimentary sequence in between being unfossiliferous.

• formation-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 Tuotuohe Fm is composed of limestones, whereas the Matuo Fm is composed of limestones, fine-grained sandstones and silty 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 37902: authorized by Martin Aberhan, entered by Sabine Nürnberg on 27.03.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Pectinida - Pectinoidae