Helcionelloida - Helcionellida - Helcionellidae
Full reference: G. F. Matthew. 1899. The Etcheminian fauna of Smith Sound, Newfoundland. Transactions of the Royal Society of Canada 5:97-119
Parent taxon: Helcionellidae according to P. Yu. Parkhaev 2002
Sister taxa: Absidaticonus, Aegitellus, Anabaroconus, Anhuiconus, Anuliconus, Asiapatella, Asperconella, Auricullina, Bemella, Calyptroconus, Capitoconus, Chuiliella, Cycloholcus, 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, Salanyella, Securiconus, Tannuella, Truncatoconus, Yangtzeconinae
Subtaxa: Randomia aurorae
Ecology: slow-moving low-level epifaunal detritivore