Rhynchonellata - Orthida - Orthidae

Full reference: E. Egerquist. 2003. New brachiopods from the Lower-Middle Ordovician (Billingen-Volkhov stages) of the East Baltic. Acta Palaeontologica Polonica 48(1):31-38

Parent taxon: Orthidae according to E. Egerquist 2003

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

Subtaxa: none

Ecology: stationary epifaunal suspension feeder