Bivalvia - Carditida - Carditidae
Full reference: C. A. Waring. 1917. Stratigraphic and faunal relations of the Martinez to the Chico and Tejon of Southern California. Proceedings of the California Academy of Sciences 7(4):41-124
Belongs to Venericardia planicosta according to C. A. Waring 1917
See also Hanna 1925, Hendy 2020, Kafanov et al. 2001, Moore 1992, Verástegui 1953 and Zinsmeister 1983
Sister taxa: none
Type specimen: LSJU 2697, a shell. Its type locality is Southwest of Santa Susana, which is in a Danian transition zone/lower shoreface sandstone in the Las Virgenes Formation of California.
Ecology: facultatively mobile shallow infaunal suspension feeder
Distribution:
• Paleocene of United States (9: California collections)
Total: 9 collections each including a single occurrence