Insecta - Hymenoptera - Ephialtitidae
Full reference: A. P. Rasnitsyn. 1975. Hymenoptera Apocrita of Mesozoic. Transactions of the Palaeontological Institute Academy of Sciences of the USSR 147:1-134
Parent taxon: Ephialtitidae according to A. P. Rasnitsyn 1975
Sister taxa: Asiephialtites, Ephialtitinae, Karataviola, Kotaphialtites, Liadobracona, Mesephialtites, Micrephialtites, Parephialtites, Praeproapocritus, Proapocritus, Sessiliventer, Sippelipterus, Stephanogaster, Symphyogaster, Symphytopterus, Trigonalopterus, Karataus
Subtaxa: Leptephialtites angustus, Leptephialtites caudatus, Leptephialtites euryarthrus, Leptephialtites gigas, Leptephialtites linearis, Leptephialtites minor, Leptephialtites pallidus, Leptephialtites picturatus, Leptephialtites stephanocephalus, Leptephialtites tenuicornis
Type: Leptephialtites caudatus
Ecology: