†family Knightitidae Knight 1956 (snail)
Full reference: J. B. Knight. 1956. New families of Gastropoda. Journal of the Washington Academy of Sciences 46(2):41-42
Parent taxon: Bellerophontoidea according to A.N. Golikov and Y.I. Starobogatov 1975
Sister taxa: Bellerophontidae, Blodgettinotus, Bucanellidae, Bucaniidae, Cymbulariidae, Euphemitidae, Plectonotidae, Pterothecidae, Sinuitidae, Temnodiscidae, Thoralispira, Yochelsoniidae
Subtaxa: Triplicatula
Ecology: slow-moving low-level epifaunal detritivore