†family Rhipidomellidae Schuchert 1913 (lamp shell)
Parent taxon: Dalmanelloidea according to A. Williams et al. 2000
Sister taxa: Angusticardiniidae, Dalmanellidae, Dicoelosiidae, Harknessellidae, Heterorthidae, Hypsomoniidae, Kayserellidae, Mystrophoridae, Paurorthidae, Platyorthidae, Portranellidae, Proschizophoriidae, Tyronellidae
Subtaxa: Perditocardiniinae, Rhipidomellinae
Type: Rhipidomella
Ecology: stationary epifaunal suspension feeder