Woodbine 186 (Cretaceous of the United States)

Where: Fannin County County, Texas (33.5° N, 96.3° W: paleocoordinates 31.6° 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; glauconitic, calcareous sandstone

• calcareous, glauconitic sand, within 6 feet below sandstone in lower part of member.

Collection methods: L. W. Stephenson, 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 6625: 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
Gastropoda
 Cerithioidea - Thiaridae
Pyrgulifera ornata
Pyrgulifera ornata snail
Pyrgulifera ornata Stephenson