Full reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44
Sister taxa: none
Type specimen: USNM 108407. Its type locality is Santa Amelia, which is in a Campanian marine horizon in Guatemala.
Ecology: slow-moving shallow infaunal deposit feeder-detritivore
Distribution: found only at Santa Amelia
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.