32-Coahuila (Cretaceous of Mexico)

Where: Coahuila, Mexico (27.0° N, 102.1° W: paleocoordinates 25.4° N, 55.7° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Cupido Formation, Barremian (129.4 - 125.0 Ma)

Environment/lithology:

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 2162: authorized by Mark Patzkowsky, entered by Karen Layou on 23.06.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ammonitida - Holcodiscidae
"Saynoceras mexicanum" = Parasaynoceras mexicanum
"Saynoceras mexicanum" = Parasaynoceras mexicanum Imlay 1940 ammonite