†superfamily Dualinoidea Conrath 1887 (clam)
Parent taxon: Antipleuroidei according to J. G. Carter et al. 2011
See also Bouchet et al. 2010
Sister taxon: Antipleuroidea
Subtaxa: Dualinidae Praelucinidae Spanilidae Stolidotidae
Ecology: facultatively mobile epifaunal suspension feeder
Distribution:
• Carboniferous of United States (1: Alaska collection)
• Devonian of the Czech Republic (1), France (1), Germany (1), Morocco (1)
• Silurian of Algeria (2), Austria (7), China (1), the Czech Republic (30), France (1), Germany (1), Italy (4), Morocco (1), Spain (1), Sweden (1)
Total: 54 collections including 97 occurrences