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†Systenothyris Cooper 1983
urn:lsid:organismnames.com:name:382590
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†Systenothyris Cooper 1983
Cooper 1983. The Terebratulacea (Brachiopoda), Triassic to Recent: a study of the brachidia (loops). Smithsonian Contributions to Paleobiology, No. 50 1983: 1-445