Rincon del Potrero, Santa Monica (Pleistocene to of the United States)

Where: California (34.0° N, 118.5° W: paleocoordinates 34.0° N, 118.2° W)

When: Pleistocene to Pleistocene (2.6 - 0.0 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• 2 movable fingers (R. jordani); 7 movable and 6 immovable fingers (M. gracilis); about 500 arms, 30 fingers and 1 hand with wrist attached (R. ornata); one left wrist or carpus of cheliped, paratype (D. arnoldi); one immovable finger of right major cheliped, and attached to it, the interdigital tooth of palm (N. gigas);

Collected by F. C. Clark; reposited in the USNM

• Piece of dactylus of a right ambulatory leg, P. producta (Cat. No. 353354); 60 fragments of fingers, L. grandis (Cat. No. 353369); one large movable finger, L. setosa (Cat. No. 353364); nine right movable, one immovable finger, H. occidentalis (Cat. No. 353363); 2 right moveable fingers, L. diegensis (Cat. No. 353377); 29 movable and 13 immovable fingers, C. novemdentatus (Cat. No. 353371); 30 specimens of fingers more or less incomplete, C. productus (Cat. No. 353391); 2 movable fingers, R. jordani (Cat. No. 353386); M. gracilis (Cat. No. 353382); R. ornata (Cat. No. 353345); D. arnoldi, paratype (Cat. No. 353568);

Primary reference: M. J. Rathbun. 1926. The Fossil Stalk-Eyed Crustacea of the Pacific Slope of North America. Smithsonian Institution United States National Museum [C. Schweitzer/S. Yost/S. Yost]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 138722: authorized by Carrie Schweitzer, entered by Samantha Yost on 26.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda -
Loxorhynchus grandis Stimpson 1857 decapod
 Decapoda - Paguridae
Dardanus arnoldi Rathbun 1926 hermit crab
 Decapoda - Callianassidae
Neotrypaea gigas Dana 1852 decapod
= Callianassa longimana
 Decapoda - Cancridae
Metacarcinus gracilis Dana 1852 crab
Cancer productus Randall 1839 lobster
Romaleon jordani Rathbun 1900 crab
 Decapoda - Parthenopidae
 Decapoda - Xanthidae
Cycloxanthops novemdentatus Lockington 1877 stone crab
 Decapoda - Panopeidae
Lophopanopeus diegensis Rathbun 1900 crab
 Decapoda - Epialtidae
Libinia setosa Lockington 1877 crab
 Decapoda - Majidae
Pugettia producta Randall 1839 spider crab
 Decapoda - Leucosiidae
Randallia ornata Randall 1839 crab