Where: Tarrant County, Texas (32.8° N, 97.3° W: paleocoordinates 30.2° N, 59.8° W)

• coordinate estimated from map

When: Pawpaw Formation (Washita Group), Late/Upper Albian (105.3 - 99.6 Ma)

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collection methods: surface (float), surface (in situ)

• The following fossils occur at the same locality and horizon as the holotype:

•Arthropoda- Crustaceous: Caloxanthus americanus Rathbun, Ophthalmoplax comancheensis Rathbun,Xanthosia aspera Rathbun, Notopocorystes punctatus Rathbun, Ischnodactylus texanus Rathbun, Homarus

•Mollusca- Cephalopoda: Engonoceras serpentinum (Cragin), Turrilites worthensis Adkins and Winton, Submantelliceras worthense (Adkins)

Primary reference: H. B. Stenzel. 1945. Decapod Crustaceans from the Cretaceous of Texas. The University of Texas Publication (4401)401-477 [C. Schweitzer/L. Baltzly]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139285: authorized by Carrie Schweitzer, entered by Lerin Baltzly on 10.02.2013

Creative Commons license: CC BY (attribution)