Reassessment of Ischnacanthus ? scheii Spjeldnaes (Acanthodii, Ischnacanthiformes) from the latest Silurian or earliest Devonian of Ellesmere Island, arctic Canada 1

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Publisher: NRC Research Press

ISSN: 1480-3313

Source: Canadian Journal of Earth Sciences, Vol.50, Iss.9, 2013-07, pp. : 945-954

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Abstract