Classification of Boucot and Johnson 1964
Ph. Brachiopoda Cuvier 1805 [lamp shell]
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Cl. †Articulata Huxley 1869
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Superfm. †Strophomenoidea King 1846
Invalid names: Athyridoidea Davidson 1881 [empty]
Subor. †Strophomenoidea Opik 1934
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Invalid names: Orthotetacea Waagen 1884 [empty], Strophomenacea King 1846 [empty]