Woodbine 187 (Cretaceous of the United States)

Where: Fannin County County, Texas (33.6° N, 96.4° W: paleocoordinates 31.8° N, 60.9° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lewisville Member (Woodbine Formation), Cenomanian (100.5 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; argillaceous, calcareous sandstone

• weathered gray to brownish calcareous, argillaceous sand in upper part of the member.

Collection methods: L. W. Stephenson, 1941; Roy T. Hazzard, 1941 (?).

Primary reference: L. W. Stephenson. 1952. Larger invertebrate fossils of the Woodbine formation (Cenomanian) of Texas. United States Geological Survey Professional Paper 242:1-225 [M. Kosnik/M. Kosnik/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 6626: authorized by Matt Kosnik, entered by Matt Kosnik on 12.03.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• taxonomy partially updated by Jablonski and Kosnik
Show authors, comments, and common names
Bivalvia
 Ostreida - Ostreidae
Ostrea soleniscus
Ostrea soleniscus Meek 1893 oyster
Ostrea soleniscus Meek
 Arcida - Arcidae
Sanoarca (Sanoarca) grandis
Sanoarca (Sanoarca) grandis Stephenson 1952 clam
Breviarca (Sanoarca) grandis Stephenson
Gastropoda
 Sorbeoconcha - Cassiopidae
Gymnentome valida brevis
Gymnentome valida brevis Cossmann 1909 snail
Gymnentome valida brevis Stephenson