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†Billingsopsis Copeland 1989
urn:lsid:organismnames.com:name:789744
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31
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†Billingsopsis Copeland 1989
Copeland 1989. Silicified Upper Ordovician-Lower Silurian ostracodes from the Avalanche Lake area, southwestern district of Mackenzie. Geological Survey of Canada Bulletin, No. 341 1989: 1-100