†family Kuskokwimiidae Fręda and Blodgett 2001 (snail)
Full reference: J. Fręda and R. B. Blodgett. 2001. The oldest known heterobranch gastropod, Kuskokwimia gen. nov., from the Early Devonian of west-cetnral Alaska, with notes on the early phylogeny of higher gastropods. Bulletin of the Czech Geological Survey 76(1):39-53
Parent taxon: Heterobranchia according to J. Fręda and R. B. Blodgett 2001
Sister taxa: Architectonicoidea, Doridoidea, Nerineoidea, Omalogyroidea, Pyramidelloidea, Rissoelloidea, Valvatoidea
Subtaxa: Kuskokwimia
Ecology: epifaunal carnivore