Where: Fresno County, California (35.4° N, 118.9° W: paleocoordinates 37.4° N, 103.6° W)
• coordinate estimated from map
When: Eocene (56.0 - 33.9 Ma)
• Eocene (Tejon of Arnold)
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
• One specimen of carapace with anterior margin lacking (M. hannae); one specimen of the left manus (C. fresnoensis);
Collected by G. Dallas Hanna; reposited in the CAS
• California Academy of Sciences, Loc. 874; M. hannae holotype in California Academy of Sciences; C. fresnoensis, left manus holotype in California Academy of Sciences;
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 139893: authorized by Carrie Schweitzer, entered by Samantha Yost on 20.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Callianassa fresnoensis Rathbun 1926 decapod | |
Marycarcinus hannae Rathbun 1926 crab originally named Necrocarcinus hannae by Rathbun in 1926, but has since been reclassified as Marycarcinus hannae
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