Subfamily Episiphoninae Christikov 1975 (tusk shell)
Scaphopoda - Dentaliida - Gadilinidae
Parent taxon: Gadilinidae according to P. D. Reynolds and G. Steiner 2008
Sister taxa: Gadilininae, Lobantalinae
Subtaxa: Episiphon
Ecology: slow-moving semi-infaunal deposit feeder
Distribution: