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†Imperatoria mega Rigby & Potter 1986
urn:lsid:organismnames.com:name:571917
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†Imperatoria mega Rigby & Potter 1986
Rigby & Potter 1986. Ordovician sphinctozoan sponges from the eastern Klamath Mountains, northern California. Paleontological Society Memoir, No. 20 1986: 1-47