Rhynchonellata - Orthida - Orthidae

Parent taxon: Orthidae according to A. W. Potter 1990

Sister taxa: Diochthofera, Leoniorthis, Orthambonites, Orthis, Orthostrophella, Orthostrophia, Paralenorthis, Sinorthis, Sivorthis, Sulcatorthis, Sulevorthis, Suriorthis, Taphrorthis, Trondorthis

Subtaxa: none

Ecology: stationary epifaunal suspension feeder