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 taxa: Pelagiellidae, Pelagielloidea
Subtaxa: Aldanella Nomgoliella
Type: Aldanella
Ecology: epifaunal grazer
Distribution:
• Cambrian of Canada (21: Newfoundland and Labrador, Nova Scotia collections), China (10), Estonia (1), Guinea (1), Iran (1), Mongolia (2), the Russian Federation (55), Saint Pierre and Miquelon (1), Spain (1), United States (1: Massachusetts)
• Placentian of United States (5: Massachusetts)
Total: 99 collections including 132 occurrences