Santa Rosa Quadrangle, 1 mi S of Mountain School (Miocene of the United States)

Also known as and 1 1/2 mi SW of Petaluma Reservoir, on right bank of creek bed

Where: Sonoma County, California (38.4° N, 122.7° W: paleocoordinates 38.2° N, 117.9° W)

When: Miocene (23.0 - 5.3 Ma)

• fresh and brackish water zone

Environment/lithology: marine; lithology not reported

Size class: macrofossils

• Chela, propodal finger impression; one specimen, showing part of the right cheliped(Paguristes)

Preservation: mold/impression, concretion

Collected by R. Miller in 1923

• University of California, Loc. 7027

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 140014: authorized by Carrie Schweitzer, entered by Samantha Yost on 27.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Diogenidae
Paguristes sp. Dana 1851 hermit crab