Helcionelloida - Helcionellida - Helcionellidae
Full reference: A. H. Westergård. 1936. Paradoxides oelandicus beds of Öland with the account of a diamond boring through the Cambrian at Mossberga. Sveriges Geologiska Undersökning Serie C 294:1-6
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, Cycloholcus, Daedalia, Emarginoconus, Eocyrtolites, Fenqiaronia, Figurina, Ginella, Guadalquivirospira, Hampilina, Hampilininae, Helcionella, Hispanoconus, Hujiagouella, Igorella, Kuonamkaella, Lenoconus, Leptostega, Marocella, Miroconulus, Nyuella, Papilloconus, Pararaconus, Paucella, Pedrocheotheca, Perssuakiella, Postacanthella, Prosinuites, Protowenella, Pseudomyona, Pseudopollicina, Randomia, Salanyella, Securiconus, Tannuella, Truncatoconus, Yangtzeconinae
Subtaxa: Oelandia comma, Oelandia jingheensis, Oelandia pauciplicata
Ecology: slow-moving low-level epifaunal detritivore