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†Sigmelasma Potter 1990	urn:lsid:organismnames.com:name:819641
†Sigmelasma Potter 1988	urn:lsid:organismnames.com:name:709951

Microreference

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†Sigmelasma Potter 1990

Potter 1990. Middle and Late Ordovician brachiopods from the eastern Klamath Mountains, northern California. Part 2. Palaeontographica Abteilung A Palaeozoologie-Stratigraphie, 213(1-6) 1990: 1-114

Potter 1988. Stratigraphy and selected Ordovician brachiopods from the Horseshoe Gulch and Gregg Ranch areas, eastern Klamath Mountains, northern California. Dissertation Abstracts International B Sciences and Engineering, 48(8) 1988: 2245