Where: Dukes County, Massachusetts (41.3° N, 70.8° W: paleocoordinates 41.4° N, 69.0° W)
When: Late/Upper Miocene (11.6 - 5.3 Ma)
• "greensand layer"
Environment/lithology: marine; green sandstone
Size classes: macrofossils, mesofossils
• one right palm of large size, collected by J.B. Woodworth - one male specimen showing the body, collected by J.H. Clarke (C. proavitus); one specimen, holotype, 4008 (L. foerstei); one fragmentary specimen, 2606 (L. foerstei); two carapaces incomplete and more than 50 fragments (A. signifera); fifteen plus fragments (A. signifera);
Collected by J.B. Woodworth, USGS; J.H. Clarke; A.F. Foerste and J.B. Woodworth, (4006, 4007, 4008, 4012, 4014); W.H. Dall, (2606) in August-September 1889, (4008); June, 1894, (2606); reposited in the USGS, USNM
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 144204: authorized by Carrie Schweitzer, entered by Samantha Yost on 02.05.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Archaeoplax signifera Stimpson 1863 crab | |
Lobonotus foerstei n. sp.
Lobonotus foerstei n. sp. Rathbun 1935 crab | |
Cancer proavitus Packard 1900 crab |