Archaeorthis costellata Ulrich and Cooper 1938 (lamp shell)

Rhynchonellata - Orthida - Archaeorthidae

Alternative combination: Archaeorthis costellatus

Full reference: E. O. Ulrich and G. A. Cooper. 1938. Ozarkian and Canadian Brachiopoda. Geological Society of America Special Paper 13(8):1-323

Belongs to Archaeorthis according to E. O. Ulrich and G. A. Cooper 1938

See also Ross 1970

Sister taxa: Archaeorthis altaica, Archaeorthis christianiae, Archaeorthis electra, Archaeorthis elongata, Archaeorthis globosa, Archaeorthis groenlandica, Archaeorthis major, Archaeorthis subcarinata, Archaeorthis wimani

Type specimen: USNM 91446, a shell

Ecology: stationary epifaunal suspension feeder


• Ordovician of United States (5: Nevada, Tennessee collections)

Total: 5 collections each including a single occurrence

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