Bivalvia - Cardiida - Cardiidae
Alternative combinations: Cardium dickersoni, Trachycardium dickersoni
Full reference: B. L. Clark. 1918. The San Lorenzo series of Middle California. a stratigraphic and paleontologic study of the San Lorenzo Oligocene series of the general region of Mount Diablo, California. University of California Publications Bulletin of the Department of Geology 11(2):45-234
Belongs to Clinocardium (Clinocardium) according to A. J. W. Hendy 2020
See also Clark 1918, Durham 1944 and Moore 2003
Sister taxa: Clinocardium (Clinocardium) coosense, Clinocardium (Clinocardium) meekianum, Clinocardium (Clinocardium) nuttallii, Clinocardium (Clinocardium) praeblandum, Clinocardium (Clinocardium) pristinum
Type specimen: UCMP 11207. Its type locality is UCMP loc. 1131, Walnut Creek, which is in an Oligocene marine horizon in California.
Distribution:
• Oligocene of United States (2: California, Washington collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.