Gastropoda - Epitonioidea - Epitoniidae
Parent taxon: Cirsotrema according to B. Wilson 1993
Sister taxa: Cirsotrema (Cirsotremopsis), Cirsotrema (Coroniscala), 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) howei, Epitonium (Cirsotrema) pasoense, Epitonium (Cirsotrema) posoensis, Epitonium (Cirsotrema) saundersi, Scala (Cirsotrema) subtenuilamella
Subtaxa: none
Ecology: slow-moving low-level epifaunal carnivore
Distribution: there are no occurrences of Cirsotrema (Plastiscala) in the database