Where: Bell County, Texas (31.1° N, 97.5° W: paleocoordinates 28.6° N, 57.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Walnut Clay Formation (Fredericksburg Group), Middle Albian (109.0 - 105.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: Repository: Bureau of Economic Geology, University of Texas

Primary reference: T. H. Withers. 1946. New Cretaceous cirripedes and crab. The Annals and Magazine of Natural History, Eleventh Series 12:552-561 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 211480: authorized by Matthew Clapham, entered by Matthew Clapham on 19.07.2020

Creative Commons license: CC BY (attribution)