Family Diphyllostomatidae Holloway 1972 (scarab beetle)
Parent taxon: Scarabaeoidea according to J. F. Lawrence and A. F. Newton 1995
Sister taxa: Acanthoceridae, Aliscarabaeus, Belohinidae, Glaphyridae, Glaresidae, Hybosoridae, Hybosorites, Lucanidae, Obitiscarabaeus, Ochodaeidae, Passalidae, Pleocomidae, Scarabaeidae, Septiventeridae, Serrulus, Trogidae
Subtaxa: none
Ecology: