Woodbine 052 (Cretaceous of the United States)

Where: Tarrant County County, Texas (32.9° N, 97.1° W: paleocoordinates 31.3° N, 61.8° 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; concretionary, calcareous shale

• shale with calcareous concretions (Tarrant unit of Moreman).

Collection methods: L. W. Stephenson, Roy T. Hazzard and others 1944.

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 6505: 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
Cephalopoda
 Ammonitida - Acanthoceratidae
"Acanthoceras wintoni" = Conlinoceras tarrantense
"Acanthoceras wintoni" = Conlinoceras tarrantense Adkins 1928 ammonite
Acanthoceras wintoni Adkins
 Ammonitida - Engonoceratidae
Metengonoceras dumbli Cragin 1893 ammonite
Metengonoceras dumbli (Cragin)
Bivalvia
 Ostreida - Gryphaeidae
Exogyra columbella oyster
Exogyra columbella Meek
 Ostreida - Ostreidae
Ostrea subradiata oyster
Ostrea subradiata Cragin