Spanish Bight, San Diego Bay (Pleistocene to of the United States)

Where: California (32.7° N, 117.1° W: paleocoordinates 32.6° N, 116.8° W)

When: Upper San Pedro Formation, Pleistocene to Pleistocene (2.6 - 0.0 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

• One large moveable finger (L. setosa); one left manus, fingers and wrist of a small specimen (H. nudus); 8 movable and 2 immovable fingers (M. anthonyi); 3 movable fingers (R. jordani); 4 movable and 5 immovable fingers, 2 movable and 1 immovable finger (M. gracilis); one fixed finger (P. xantusii); 13 arms, 1 immovable finger (R. ornata); 1 small dactylus of right cheliped (H. lineatus); a left, and extremity of a right, movable finger, much worn and a right immovable finger (N. gigas); two movable fingers, one right, one left, three immovable fingers, one right, two left- one of the latter is taken as holotype. Twelve other smaller immovable fingers, four right, eight left, were collected at the same place by Mrs. Stephens (C. stephensi);

Collected by Kate Stephens; reposited in the USNM

• One left moveable and immovable finger, three female abdomens, and several fragments of legs (Cat. No. 353356); one left manus with fixed finger attached, and one female abdomen (Cat. No. 353357); H. nudus: one left manus, fingers and wrist of a small specimen (Cat. No. 353358); M. anthonyi (Cat. No. 353380); M. gracilis (Cat. No. 353383, USNM San Diego Society of Natural History); P. xantusii (Cat. No. 353349, USNM); H. lineatus (Cat. No. 353362); C. stephensi (Cat. No. 353333);

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 138721: authorized by Carrie Schweitzer, entered by Samantha Yost on 26.01.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

• H. lineatus finger is distinguished at once from others found at the same locality by the longitudinal, finely milled, stridulating ridge on the inner surface, a little below the upper edge and running the whole length of the finger except on the horny tip.
Malacostraca
 Decapoda - Callianassidae
Neotrypaea gigas Dana 1852 decapod
= Callianassa longimana
Callianassa stephensi Rathbun 1926 decapod
 Decapoda - Varunidae
Hemigrapsus nudus Dana 1851 crab
 Decapoda - Cancridae
Metacarcinus gracilis Dana 1852 crab
Metacarcinus anthonyi Rathbun 1897 crab
Romaleon jordani Rathbun 1900 crab
 Decapoda - Hepatidae
Hepatus lineatus Rathbun 1898 crab
 Decapoda - Portunidae
Portunus (Portunus) xantusii Stimpson 1862 swimming crab
 Decapoda - Epialtidae
Libinia setosa Lockington 1877 crab
 Decapoda - Majidae
Pugettia richii Dana 1851 spider crab
 Decapoda - Inachoididae
Pyromaia tuberculata Lockington 1877 crab
 Decapoda - Leucosiidae
Randallia ornata Randall 1839 crab