Where: Qinghai, China (33.0° N, 91.0° E: paleocoordinates 24.4° N, 88.4° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Suwa or Matuo Formation, Bajocian to Bajocian (170.3 - 157.3 Ma)
• locality belongs either to Suwa or Matuo Formation, Bajocian or Oxfordian 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; lithified limestone and lithified sandstone
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 37912: authorized by Martin Aberhan, entered by Sabine Nürnberg on 27.03.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |