Rhynchonellata - Orthida - Plaesiomyidae
Full reference: C. Schuchert and G. A. Cooper. 1932. Brachiopod genera of the suborders Orthoidea and Pentameroidea. Memoirs of the Peabody Museum of Natural History 4(1):1-270
Parent taxon: Dinorthis according to C. Schuchert and G. A. Cooper 1932
See also Howe 1988, Sepkoski 2002 and Williams et al. 2000
Sister taxa: Dinorthis (Pionorthis), Dinorthis anticostiensis, Dinorthis atavoides, Dinorthis beiguoshanensis, Dinorthis berwynensis, Dinorthis carleyi, Dinorthis carrickensis, Dinorthis flabellulum, Dinorthis hadra, Dinorthis holdeni, Dinorthis holdenoides, Dinorthis interstriata, Dinorthis meedsi, Dinorthis occidentalis, Dinorthis pectinella, Dinorthis subplicatella, Dinorthis sweeneyi, Dinorthis taukensis, Dinorthis transversa, Dinorthis venusta, Orthis (Dinorthis) meedsi
Subtaxa: none
Ecology: stationary epifaunal suspension feeder
Distribution: there are no occurrences of Dinorthis (Retrorsirostra) in the database