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Polymastia pachymastia de Laubenfels 1932
urn:lsid:organismnames.com:name:3277504
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Polymastia pachymastia de Laubenfels 1932
de Laubenfels 1932. The marine and freshwater sponges of California. Proceedings of the United States National Museum, 81(4) 1932: pp. 1-140