Helcionelloida - Helcionellida - Coreospiridae
Synonyms: Archaeospiridae Yu 1979, Latouchellidae Golikov and Starobogatov 1989, Yangtzespiridae Yu 1984, Yangtzespirinae Yu 1984
Full reference: J. B. Knight. 1952. Primitive fossil gastropods and their bearing on gastropod classification. 117(13):1-56
Parent taxon: Helcionellida according to P. J. Wagner 2023
See also Bouchet et al. 2005, Golikov and Starobogatov 1975, Knight et al. 1960, Missarzhevsky 1989, Parkhaev 2001, Parkhaev 2002 and Parkhaev and Demidenko 2010
Sister taxa: Helcionelloidea, Tribelopoma, Yochelcionelloidea
Subtaxa: Anconochilus Cambrospira Coreospira Humilispira Kutanjia Latouchella Owenella Shabaktiella Tichkaella
Type: Coreospira
Ecology: slow-moving low-level epifaunal detritivore
Distribution:
• Solvan of Australia (1 collection), Canada (4: British Columbia), Morocco (1)
• Delamaran of Canada (1: British Columbia), United States (1: Vermont)
• Ordian of Australia (2)
• Cambrian of Australia (21), Canada (8: British Columbia, Newfoundland, Newfoundland and Labrador, Nova Scotia), China (17), Greenland (5), Mongolia (1), Morocco (2), New Zealand (1), North Korea (1), Norway (1), the Russian Federation (16), Spain (1), the United Kingdom (5), United States (8: Texas, Utah, Virginia, Wisconsin)
Total: 97 collections including 114 occurrences