†superfamily Polytoechioidea Opik 1934 (lamp shell)
Strophomenata - Billingsellida
Parent taxon: Clitambonitidina according to A. Williams et al. 2000
Sister taxon: Clitambonitoidea
Subtaxa: Polytoechiidae, Tritoechiidae
Ecology: stationary epifaunal suspension feeder