Where: Monroe County, Alabama (31.5° N, 87.5° W: paleocoordinates 31.8° N, 81.0° W)
When: Byram Marl Formation (Vicksburg Group), Early/Lower Oligocene (33.9 - 28.4 Ma)
Environment/lithology: marine; marl
Size classes: macrofossils, mesofossils
• a left manus, incomplete and with the inner surface lacking (C. alabamensis);
Collected by Aldrich; reposited in the USNM
Collection methods: surface (float), surface (in situ),
• COLLECTOR: T.H. Aldrich. REPOSITORY: USNM (formerly reposited at Johns Hopkins University).
Primary reference: M. J. Rathbun. 1935. Fossil Crustacea of the Atlantic and Gulf Coastal Plain. Geological Society of America Special Paper (2)1-160 [C. Schweitzer/S. Yost]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 143392: authorized by Carrie Schweitzer, entered by Samantha Yost on 23.04.2013, edited by Austin Hendy
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinoidea | |
"Coelopleurus aldrichi n. sp." = Arbia aldrichi
"Coelopleurus aldrichi n. sp." = Arbia aldrichi Clark and Twitchell 1915 sea urchin | |
Malacostraca | |
Callinectes alabamensis n. sp.
Callinectes alabamensis n. sp. Rathbun 1935 swimming crab |