PaleoDB taxon number: 351940
Full reference: B. L. Clark and A. O. Woodford. 1927. The geology and paleontology of the type section of the Meganos Formation (lower Middle Eocene) of California. University of California Publications in Geological Sciences 17(2):63-142
Type specimen: UCMP 31246, a shell. Its type locality is UCMP 3150, north of Mount Diablo, which is in a Ypresian coastal sandstone in the Meganos Formation of California.
Ecology: epifaunal carnivore