†family Ussuniidae Nikitin and Popov 1984 (lamp shell)
Craniata - Trimerellida - Ussuniidae
Parent taxon: Trimerelloidea according to A. Williams et al. 2000
Sister taxa: Adensuidae, Trimerellidae
Subtaxa: Ussunia
Type: Ussunia
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Ussuniidae in the database