Where: Washington (46.9° N, 123.3° W: paleocoordinates 46.5° N, 113.6° W)
When: Oligocene (33.9 - 23.0 Ma)
Environment/lithology: marine; sandstone and shale
Size classes: macrofossils, mesofossils
• 3 specimens (M. triangulum); {three specimens of the left manus, two having the propodal finger attached but lacking the tip. The specimen without finger (paratype a) is separate from the matrix and shows inner and outer surfaces, the others show only the outer surface. The larger of these is considered the holotype, the smaller appears to be a minor chela (paratype b)}, [N. porterensis];
Collection methods: 2 specimens (P. vulgaris), Stanford University (N. Pac. 53); holotype in Stanford University (N. porterensis);
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 139447: authorized by Carrie Schweitzer, entered by Samantha Yost on 12.02.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
Neocallichirus porterensis Rathbun 1926 decapod | |
Pilodius vulgaris Glaessner 1928 stone crab | |
Maeandricampus triangulum Rathbun 1926 crab |