Helcionelloida - Helcionellida - Helcionellidae

Full reference: J. B. Knight. 1947. Some new Cambrian bellerophont gastropods. Smithsonian Miscellaneous Collections 106(17):1-11

Parent taxon: Helcionellidae according to B. Runnegar and P.A. Jell 1976

Sister taxa: Absidaticonus, Aegitellus, Anabaroconus, Anhuiconus, Anuliconus, Asiapatella, Asperconella, Auricullina, Bemella, Calyptroconus, Capitoconus, Chuiliella, Daedalia, Emarginoconus, Eocyrtolites, Fenqiaronia, Figurina, Ginella, Guadalquivirospira, Hampilina, Hampilininae, Helcionella, Hispanoconus, Hujiagouella, Igorella, Kuonamkaella, Lenoconus, Leptostega, Marocella, Miroconulus, Nyuella, Oelandia, Papilloconus, Pararaconus, Paucella, Pedrocheotheca, Perssuakiella, Postacanthella, Prosinuites, Protowenella, Pseudomyona, Pseudopollicina, Randomia, Salanyella, Securiconus, Tannuella, Truncatoconus, Yangtzeconinae

Subtaxa: none

Ecology: slow-moving low-level epifaunal detritivore