Alternative combinations: Arbacia aldrichi, Coelopleurus aldrichi
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
Sister taxa: none
Type specimen: USNM 559494, a test. Its type locality is Perdue Hill [Suwannee Fm], which is in an Oligocene marine marl in the Byram Marl Formation of Alabama.
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.