Trimerella Comm., Upper Llandovery, N Guizhou Prov. (Silurian of China)

Where: Guizhou, China (28.0° N, 107.0° E: paleocoordinates 8.4° N, 126.8° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Llandovery (443.4 - 433.4 Ma)

• "probably of very early Upper Llandoverian age"

Environment/lithology: marine; limestone

• "BA 3...further confirmed by overlying bed of corals, which in turn is overlain by a bed of algal oncolites, and that is overlain by the BA 3 Paraconchidium-Virgianella Comm."
• "massive limestone"

Primary reference: Y. Wang, A. J. Boucot, J.Y. Rong and X.C. Yang. 1987. Community paleoecology as a geologic tool: the Chinese Ashgillian-Eifelian (latest Ordovician through early Middle Devonian) as an example. Geological Society of America Special Paper 211:1-100 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 25863: authorized by Michael Foote, entered by Michael Foote on 26.09.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Craniata
 Trimerellida - Trimerellidae
Trimerella sp. Billings 1862