Gastropoda - Epitonioidea - Epitoniidae
Parent taxon: Cirsotrema according to J. A. Todd 2001
See also Duerr 2004 and Olsson 1967
Sister taxa: 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) howei, Epitonium (Cirsotrema) pasoense, Epitonium (Cirsotrema) posoensis, Epitonium (Cirsotrema) saundersi, Scala (Cirsotrema) subtenuilamella
Subtaxa: Cirsotrema (Cirsotremopsis) insigne Cirsotrema (Cirsotremopsis) nagaoi Cirsotrema (Cirsotremopsis) woodringi
Ecology: slow-moving low-level epifaunal carnivore
Distribution:
• Pliocene of Panama (1 collection)
• Miocene to Pliocene of the Dominican Republic (1)
• Miocene of Grenada (1), Panama (3)
• Oligocene of Denmark (1)
Total: 7 collections each including a single occurrence