PM1-Eastern Coahuila(MEX) (Cretaceous of Mexico)
Where: Coahuila, Mexico (27.0° N, 102.0° W: paleocoordinates 24.9° N, 55.2° W)
• small collection-level geographic resolution
When: Barril Viejo Shale Member, Hauterivian (132.9 - 129.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: gray, calcareous shale
Primary reference: R. W. Imlay. 1940. Neocomian Faunas of Northern Mexico. Geological Society America Bulletin 51(1):117-190 [M. Patzkowsky/K. Layou/A. Clement]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 2148: authorized by Mark Patzkowsky, entered by Karen Layou on 23.06.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Gastropoda | |
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Vermetus cornejoi Castillo and Aguilera 1895 worm shell "cornejoi var. varians" - originally entered as "Vermetus cornejoi var. varians"
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| Bivalvia | |
"Exogyra putnami" = Aetostreon subsinuatum, Exogyra reedi
"Exogyra putnami" = Aetostreon subsinuatum Leymerie 1842 oyster
Exogyra reedi Imlay 1937 oyster | |
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Prohinnites ordonesi Imlay 1940 scallop | |
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Neithea biangulata Imlay 1940 scallop | |
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