Where: Sonora, Mexico (30.1° N, 111.7° W: paleocoordinates 13.6° N, 51.2° W)
When: Lower Member (Sierra de Santa Rosa Formation), Late/Upper Sinemurian (196.5 - 189.6 Ma)
Environment/lithology: coastal; lithified sandstone and lithified mudstone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: A. Scholz, M. Aberhan, and C.M. León. 2008. Early Jurassic bivalves of the Antimonio terrane (Sonora, NW Mexico): Taxonomy, biogeography, and paleogeographic implications. Geological Society of America Special Paper 442:269-312 [A. Miller/S. Kolbe/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 115213: authorized by Arnold Miller, entered by Sarah Kolbe on 31.08.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Weyla bodenbenderi Behrendsen 1891 scallop
Weyla alata von Buch 1838 scallop | |
Frenguelliella poultoni Leanza 1993 clam |