Gastropoda - Sorbeoconcha - Cassidae
Full reference: W.O. Addicott. 1976. Molluscan paleontology of the lower Miocene Clallam Formation, northwestern Washington. United States Geological Survey Professional Paper 976:1-44
Belongs to Semicassis according to W.O. Addicott 1976
Sister taxa: Cassidea (Semicassis) bituminata, Cassidea (Semicassis) calantica, Cassidea (Semicassis) mekranica, Cassidea (Semicassis) ormarensis, Cassidea (Semicassis) vandervierki, Phalium (Semicassis) miolaevigata, Phalium (Semicassis) tuberculiformis, Semicassis (Antephalium), Semicassis (Semicassis), Semicassis aldrichi, Semicassis angasi, Semicassis bisulcata, Semicassis centiquadrata, Semicassis deneseplicata, Semicassis faurotis, Semicassis granulata, Semicassis harpaeformis, Semicassis labiata, Semicassis monilifera, Semicassis oligocalantica, Semicassis ovulum, Semicassis pyrum, Semicassis reclusa, Semicassis sculpta, Semicassis senni, Semicassis (Tylocassis) maleaformis, Phalium (Tylocassis) sulcosum
Type specimen: USNM 215928
Ecology: epifaunal carnivore
Distribution:
• Oligocene of United States (2: 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.