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†Nahannicephalus Pratt 1992
urn:lsid:organismnames.com:name:966336
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86
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†Nahannicephalus Pratt 1992
Pratt 1992. Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana, No. 9 1992: 1-179