Helcionelloida - Helcionellida

Alternative spelling: Helcionellinae

Synonym: Eosoconidae Yu 1979

Full reference: W. Wenz. 1938. Handbuch der Paläozoologie; Gastropoda. Handbuch der Paläozoologie

Parent taxon: Helcionelloidea according to P. J. Wagner 2011

Sister taxa: Igarkiellidae, Procarinariidae

Subtaxa: 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, Randomia, Salanyella, Securiconus, Tannuella, Truncatoconus, Yangtzeconinae

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Ecology: slow-moving low-level epifaunal detritivore