Full reference: C. W. Cooke. 1953. American Upper Cretaceous Echinoidea. United States Geological Survey Professional Paper 254-A:1-44
Type specimen: USNM 108373. Its type locality is USGS 15626, Medio Creek Valley, which is in a Santonian carbonate chalk in the Austin Chalk Formation of Texas.
Ecology: epifaunal grazer-deposit feeder
• Cretaceous of United States (5: Texas collections)
Total: 5 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.