†superfamily Helcionelloidea Wenz 1938 (mollusk)
Helcionelloida - Helcionellida
Alternative spelling: Helcionellacea
Parent taxon: Helcionellida according to P. J. Wagner 2023
See also Atkins and Peel 2004, Golikov and Starobogatov 1975, Knight et al. 1960, Parkhaev 2001, Parkhaev 2002, Parkhaev 2004, Parkhaev and Demidenko 2010, Runnegar 1990, Runnegar and Jell 1976 and Wahlman 1992
Sister taxa: Coreospiridae, Pelagiellidae, Tribelopoma, Yochelcionelloidea
Subtaxa: Carinopeltidae Igarkiellidae Procarinariidae
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Cambrian of Australia (3 collections), China (9), Germany (1), Greenland (4), Iran (1), the Russian Federation (3)
• Amgan of the Czech Republic (1)
Total: 22 collections including 28 occurrences