†subfamily Platyorthinae Harper et al. 1969 (lamp shell)
Rhynchonellata - Orthida - Rhipidomellidae
Parent taxon: Rhipidomellidae according to Harper et al. 1969
Sister taxa: Perditocardiniinae, Rhipidomellinae
Subtaxa: Elsaella
Ecology: stationary epifaunal suspension feeder
Distribution: