Gastropoda - Epitonioidea - Epitoniidae
Full reference: J. W. Durham. 1937. Gastropods of the Family Epitoniidae from Mesozoic and Cenozoic Rocks of the West Coast of North America, including One New Species by F. E. Turner and One by R. A. Bramkamp. Journal of Paleontology 11(6):479-512
Belongs to Epitonium (Cirsotrema) according to J. W. Durham 1937
Sister taxa: Cirsotrema (Cirsotremopsis), Cirsotrema (Coroniscala), Cirsotrema (Plastiscala), Cirsotrema (Propescala), Cirsotrema (Rectacirsa), Cirsotrema (Tioria), Cirsotrema cirritum, Cirsotrema crassicostatum, Cirsotrema dalli, Cirsotrema diversiformis, Cirsotrema dubiosa, Cirsotrema fimbriosa, Cirsotrema funiculus, Cirsotrema gagei, Cirsotrema hauniensis, Cirsotrema miovaricosum, Cirsotrema pleiophylla, Cirsotrema preyoungi, Cirsotrema tenuisculptum, Cirsotrema togatum, Cirsotrema varicosa, Epitonium (Cirsotrema) clallamense, Epitonium (Cirsotrema) pasoense, Epitonium (Cirsotrema) posoensis, Epitonium (Cirsotrema) saundersi, Scala (Cirsotrema) subtenuilamella
Type specimen: CAS 7004
Ecology: slow-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Epitonium (Cirsotrema) howei in the database
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.