Full reference: U. S. Grant and L. G. Hertlein. 1938. The West American Cenozoic Echinoidea. Publications of the University of California at Los Angeles in Mathematical and Physical Sciences 2:1-225
Type specimen: Its type locality is Carrizo Creek, which is in a Pliocene perireef or subreef limestone/sandstone in the Imperial Formation of California
Ecology: epifaunal grazer-deposit feeder
Distribution: found only at Carrizo Creek
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.