Echinoidea - Holasteroida - Holasteridae
Full reference: W. B. Clark and M. W. Twitchell. 1915. The Mesozoic and Cenozoic Echinodermata of the United States. United States Geological Survey Bulletin 54:1-341
Belongs to Cardiaster according to C. W. Cooke 1953
See also Clark and Twitchell 1915
Sister taxa: Cardiaster batnensis, Cardiaster bolschechetensis, Cardiaster cubensis, Cardiaster deciper, Cardiaster fossarius, Cardiaster granulosus, Cardiaster jugatus, Cardiaster leonensis, Cardiaster marylandicus, Cardiaster palmeri, Cardiaster patagonicus, Cardiaster smocki
Type specimen: USNM 31201. Its type locality is 25 miles SW of Mingusville, which is in a Campanian marine shale in the Pierre Shale Formation of Montana.
Ecology: semi-infaunal detritivore
Distribution: found only at 25 miles SW of Mingusville
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.