Brazos Valley, Little Brazos Creek (Eocene of the United States)

Where: Texas (30.7° N, 96.5° W: paleocoordinates 32.0° N, 87.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Cook Mountain Formation, Bartonian (41.3 - 38.0 Ma)

• No stratigraphic information given, but location mapped as Cook Mountain Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: concretion

Collected by John E. Adams; reposited in the USNM

Primary reference: M. J. Rathbun. 1928. Two new crabs from the Eocene of Texas. Proceedings of the United States National Museum 73:1-6 [C. Schweitzer/S. Yost/M. Uhen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 135774: authorized by Carrie Schweitzer, entered by Samantha Yost on 08.11.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Zanthopsidae
Harpactocarcinus americanus n. sp. Rathbun 1928 crab