Helcionelloida - Pelagiellida - Aldanellidae
Full reference: R. M. Linsley and W.M. Kier. 1984. The Paragastropoda: a proposal for a new class of Paleozoic Mollusca. Malacologia 25(1):241-254
Parent taxon: Pelagiellida according to A. Kouchinsky et al. 2017
See also Bouchet et al. 2005, Bouchet et al. 2017, Linsley and Kier 1984, Missarzhevsky 1989 and Parkhaev 2001
Sister taxon: Pelagielloidea
Subtaxa: Aldanella Nomgoliella
Type: Aldanella
Ecology: epifaunal grazer
Distribution:
• Placentian of United States (5: Massachusetts collections)
• Cambrian of Canada (21: Newfoundland and Labrador, Nova Scotia), China (10), Guinea (1), Iran (1), Mongolia (2), the Russian Federation (55), Saint Pierre and Miquelon (1), Spain (1), United States (1: Massachusetts)
Total: 98 collections including 131 occurrences