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†Tetrabrachiocrinus Yakovlev 1934
urn:lsid:organismnames.com:name:104267
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275
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†Tetrabrachiocrinus Yakovlev 1934
Yakovlev 1934. Crinoidi Permiani di Sicilia. Palaeontographia Italica, 34 1934: pp. 269-283