Gastropoda - Epitonioidea - Epitoniidae
Alternative spellings: Cirsotrema (Gyroscala), Gyroscala
Parent taxon: Epitonium according to J. A. Todd 2001
See also Addicott 1970, Durham 1937, Gardner 1948, Kensley and Pether 1986, Ladd 1972, Pacaud and Le Renard 1995 and Sepkoski 2002
Sister taxa: Epitonium (Arctoscala), Epitonium (Asperiscala), Epitonium (Bifidoscala), Epitonium (Boreoscala), Epitonium (Cinctiscala), Epitonium (Coniscala), Epitonium (Crisposcala), Epitonium (Cycloscala), Epitonium (Epitonium), Epitonium (Glabriscala), Epitonium (Hirtoscala), Epitonium (Hyaloscala), Epitonium (Minutiscala), Epitonium (Nitidiscala), Epitonium (Papyriscala), Epitonium (Parviscala), Epitonium (Pictoscala), Epitonium (Scala), Epitonium (Striatascala), Epitonium alaquaense, Epitonium albidum, Epitonium angulatum, Epitonium candeanum, Epitonium chancellorensis, Epitonium charlestonensis, Epitonium clallamense, Epitonium clarki, Epitonium clathratulum, Epitonium cookii, Epitonium cribrum, Epitonium dubiosum, Epitonium echinaticosta, Epitonium faearium, Epitonium foliaceum, Epitonium frondiculum, Epitonium frondosum, Epitonium georgettinum, Epitonium greenlandicum, Epitonium hospitum, Epitonium humphreysii, Epitonium kostejanum, Epitonium latefasciatum, Epitonium leai, Epitonium multistriatum, Epitonium paytense, Epitonium peruvianum, Epitonium philippinarum, Epitonium rupicola, Epitonium sandwichense, Epitonium sillimani, Epitonium sohli, Epitonium stellanum, Epitonium submaculosum, Epitonium tabulatum, Epitonium tollini, Epitonium trevelyana
Subtaxa: Cirsotrema (Gyroscala) stueri Epitonium (Gyroscala) barkerianum Epitonium (Gyroscala) effingeri Epitonium (Gyroscala) lycocephalum Gyroscala punjabensis
Distribution:
• Quaternary of the Marshall Islands (1 collection), South Africa (1)
• Pliocene of South Africa (1), Venezuela (1)
• Miocene of Argentina (1)
• Eocene of Pakistan (1), the United Kingdom (1), United States (1: Alabama)
Total: 8 collections each including a single occurrence