Where: Wyoming (44.0° N, 108.0° W: paleocoordinates 35.5° N, 48.3° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Gypsum Spring Formation, Bajocian (170.3 - 168.3 Ma)
• member-level stratigraphic resolution
Environment/lithology: open shallow subtidal; lime mudstone
Size class: macrofossils
Preservation: trace, original calcite
Collection methods: mechanical
Primary reference: R. P. Wright. 1974. Jurassic Bivalves from Wyoming and South Dakota: A study of feeding relationsips. Journal of Paleontology 48(3):425-433 [M. Aberhan/S. Nurnberg/S. Nurnberg]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 36529: authorized by Martin Aberhan, entered by Sabine Nürnberg on 03.02.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Modiolus subimbricatus mussel
Mytilus whitei mussel | |
Trigonia americana clam | |
Pronoella cinnabarensis Stanton 1899 clam | |
Corbula sp. Bruguière 1789 clam | |
Astarte meeki Stanton 1899 clam |