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†Umbonula undulata Canu & Bassler 1928
urn:lsid:organismnames.com:name:3334651
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†Umbonula undulata Canu & Bassler 1928
Canu & Bassler 1928. Fossil and Recent Bryozoa of the Gulf of Mexico Region. Proceedings of the United States National Museum, 72(14) 1928: pp. 1-199