Malacostraca - Decapoda - Mathildellidae
Synonyms: Neopilumnoplax hannibalanus Rathbun 1926, Pilumnoplax hannibalanus Rathbun 1926
Full reference: M. J. Rathbun. 1916. Description of a new genus and species of fossil crab from Port Townsend, Washington. The American Journal of Science, Fourth Series 41:344-346
Belongs to Branchioplax according to C. E. Schweitzer et al. 2022
See also Rathbun 1916, Rathbun 1926, Schweitzer et al. 2000, Schweitzer et al. 2010 and Tucker and Feldmann 1990
Sister taxa: Branchioplax albertii, Branchioplax ballingi, Branchioplax bidentata, Branchioplax carmanahensis, Branchioplax concinna, Branchioplax cordata, Branchioplax parva, Branchioplax pentagonalis, Branchioplax rossii, Branchioplax sulcata
Type specimens:
- Branchioplax washingtoniana: YPM 195, a carapace. Its type locality is Port Townsend, which is in a Rupelian marine siliciclastic in the Clallam Formation of Washington.
- Pilumnoplax hannibalanus:
Ecology: infaunal carnivore
Distribution:
• Oligocene to Miocene of United States (1: Washington collection)
• Oligocene of United States (4: Alaska, Oregon, Washington)
• Eocene of United States (5: Oregon, Washington)
• Paleocene to Eocene of United States (1: Alaska)
Total: 11 collections including 13 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.