†family Tjaernoiidae Warén 1991 (snail)
Parent taxon: Pyramidelloidea according to F. Roth and K. Hoedemakers 2005
Sister taxa: Amathinidae, Conusella, Ebalidae, Heteronerita, Heteroneritidae, Jaminia, Pyramidellidae, Streptacididae
Subtaxa: Tjaernoeia
Ecology: epifaunal carnivore