Locality 27, Bolsa Point (Cretaceous of the United States)

Where: San Mateo County, California (37.2° N, 122.4° W: paleocoordinates 43.5° N, 92.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Pigeon Point Formation, Middle Campanian (83.5 - 70.6 Ma)

• Originally "Chico", but now assigned to the Pigeon Point Formation

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified, gray, blue sandstone

• Bolsa Point contains the shelf facies of the Pigeon Point Formation
• Soft blue grey sandstone

Size class: macrofossils

Collected by Ralph Arnold in 1907; reposited in the USNM

Primary reference: M. J. Rathbun. 1908. Descriptions of fossil crabs from California. Proceedings of the United States National Museum 35:341-349 [C. Schweitzer/S. Yost/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 138982: authorized by Carrie Schweitzer, entered by Samantha Yost on 06.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Retroplumidae
Archaeopus antennatus n. gen. n. sp.
Archaeopus antennatus n. gen. n. sp. Rathbun 1908 crab