†family Tarfayidae Popov et al. 2009 (lamp shell)
Full reference: L. E. Popov, M. G. Pour, M. G. Bassett and M. Kebria-ee. 2009. Billengsellide and orthide brachiopods: new insights into earliest Ordovician evolution and biogeography from northern Iran. Palaeontology 52(1):35-52
Parent taxon: Orthoidea according to L. E. Popov et al. 2009
Sister taxa: Anomalorthidae, Bohemiellidae, Glyptorthidae, Hesperonomiidae, Hesperorthidae, Lycophoriidae, Orthidae, Orthidiellidae, Plaesiomyidae, Poramborthidae, Productorthidae, Whittardiidae, Dolerorthidae
Subtaxa: none
Ecology: stationary epifaunal suspension feeder