†Orthostrophia (lamp shell)
Rhynchonellata - Orthida - Orthidae
Parent taxon: Orthidae according to A. Williams et al. 2000
Sister taxa: Diochthofera, Leoniorthis, Orthambonites, Orthinae, Orthis, Orthostrophella, Paralenorthis, Sinorthis, Sivorthis, Sulcatorthis, Sulevorthis, Suriorthis, Taphrorthis, Trondorthis
Subtaxa: none
Ecology: stationary epifaunal suspension feeder