†superfamily Palaferelloidea Spriestersbach 1942 (lamp shell)
Parent taxon: Davidsoniidina according to A. Williams et al. 2002
Sister taxon: Davidsonioidea
Subtaxa: Karpinskiidae Palaferellidae Symmatrypidae
Ecology: stationary epifaunal suspension feeder
Distribution:
• Devonian of Austria (7 collections), Canada (14: Northwest Territories, Nunavut, Yukon, Yukon Territory), China (7), Germany (8), Italy (5), the Russian Federation (33), Tajikistan (5), United States (20: Nevada), Uzbekistan (1)
• Silurian of Kazakhstan (1), the Russian Federation (5)
Total: 106 collections including 131 occurrences