†family Helicampodontidae Itano and Lebedev 2023 (chimaera)
Chondrichthyes - Eugeneodontiformes - Helicampodontidae
Full reference: W. M. Itano and O. A. Lebedev. 2023. Taxonomic names, in Tooth whorl structure, growth and function in a helicoprionid chondrichthyan Karpinskiprion (nom. nov.) (Eugeneodontiformes) with a revision of the family composition. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 113:337-360
Parent taxon: Eugeneodontiformes according to W. M. Itano and O. A. Lebedev 2023
Sister taxa: Campyloprion, Campyloprion annectans, Caseodontoidea, Edestoidea, Edestoidei, Edistidae, Eugeneodontoidei, Helicoprionidae
Subtaxa: Helicampodus Hunanohelicoprion Parahelicampodus Sinohelicoprion
Type: Helicampodus
Ecology: nektonic carnivore
Distribution: