Where: Baja California Sur, Mexico (24.4° N, 110.8° W: paleocoordinates 23.2° N, 102.4° W)

• coordinate based on political unit

When: San Juan Member (El Cien Formation), Chattian (28.1 - 23.0 Ma)

• crabs were collected from spoil piles of material taken from the bed directly above the Humboldt phosphorite bed.

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; phosphatic mudstone

Size class: macrofossils

Preservation: adpression, original chitin

Collection methods: salvage, mechanical,

• MHN-UABCS

Primary reference: C. E. Schweitzer, R. M. Feldmann, G. Gonzales-Barba and F. J. Vega. 2002. New crabs from the Eocene and Oligocene of Baja California Sur, Mexico and an assessment of the evolutionary and paleobiogeographic implications of Mexican fossil decapods. Memoir (The Paleontological Society) 59:1-43 [C. Schweitzer/C. Schweitzer/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45695: authorized by Carrie Schweitzer, entered by Carrie Schweitzer on 24.11.2004, edited by Mark Uhen

Creative Commons license: CC BY (attribution)