†superfamily Onychochiloidea Koken 1925 (mollusk)
Paragastropoda - Onychochiloidea
Parent taxon: Paragastropoda according to R. M. Linsley and W.M. Kier 1984
Sister taxa: Hyperstophina, Mimospirida, Orthostrophina
Subtaxa: Cliospiridae
Distribution: found only at Trilobites and gastropods of carbonate mounds in Valdemar Gluckstadt Land (Silurian of Greenland)