Where: Coahuila, Mexico (27.0° N, 102.1° W: paleocoordinates 24.9° N, 55.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Taraises Formation, Hauterivian (132.9 - 129.4 Ma)

Environment/lithology: marine; lithology not reported

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 2160: authorized by Mark Patzkowsky, entered by Karen Layou on 23.06.1999

Creative Commons license: CC BY (attribution)