Bivalvia - Cardiida - Ungulinidae
Full reference: W. J. Zinsmeister. 1983. New Late Paleocene molluscs from the Simi Hills, Ventura County, Califonia. Journal of Paleontology 57(6):1282-1303
Belongs to Diplodonta (Zemysina) according to E. J. Moore 1988
See also Zinsmeister 1983
Sister taxa: Diplodonta (Zemysina) densiscalpta, Diplodonta (Zemysina) globus, Diplodonta (Zemysina) lamberti
Type specimen: UCR 6682/2, a shell. Its type locality is Meier Canyon, which is in a Thanetian open shallow subtidal conglomerate in the Simi Formation of California.
Ecology: facultatively mobile infaunal suspension feeder
Distribution:
• Paleocene of the Russian Federation (1 collection), United States (1: California)
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.