Echinoidea - Cassiduloida - Cassidulidae
Alternative combinations: Cassidulus californicus, Rhynchopygus californicus
Full reference: F. M. Anderson. 1905. A Stratigraphic Study in the Mount Diablo Range of California. Proceedings of the California Academy of Sciences, Third Series Geology 2(2):1-148
Belongs to Cassidulus (Rhynchopygus) according to W. S. W. Kew 1920
See also Anderson 1905, Clark and Twitchell 1915 and Grant and Hertlein 1938
Sister taxa: Cassidulus (Rhynchopygus) depressus, Cassidulus (Rhynchopygus) evergladensis, Cassidulus (Rhynchopygus) mexicanus, Cassidulus (Rhynchopygus) ynezensis, Rhynchopygus arumaensis, Rhynchopygus lapiscancri, Rhynchopygus marmini, Rhynchopygus peruvianus
Ecology: slow-moving semi-infaunal detritivore
Distribution:
• Eocene of United States (3: California collections)
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.