about 4 mi S of Martinez and east of the road to Walnut Creek (Eocene of the United States)
Where: Contra Costa County, California (38.0° N, 122.1° W: paleocoordinates 38.8° N, 108.0° W)
When: Martinez Formation, Eocene (56.0 - 33.9 Ma)
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
Primary reference: M. J. Rathbun. 1926. The fossil stalk-eyed Crustacea of the Pacific slope of North America. United States National Museum Bulletin 138:1-155 [C. Schweitzer/S. Yost/M. Uhen]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 139006: authorized by Carrie Schweitzer, entered by Samantha Yost on 07.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| Malacostraca | |
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Orbitoplax weaveri Rathbun 1926 crab | |