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†Roksaspis Ludvigsen, Westrop & Kindle 1989

urn:lsid:organismnames.com:name:797506

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†Roksaspis Ludvigsen, Westrop & Kindle 1989

Ludvigsen, Westrop & Kindle 1989. Sunwaptan (Upper Cambrian) trilobites of the Cow Head Group, western Newfoundland, Canada. Palaeontographica Canadiana, No. 6 1989: 1-175