Some Pacific Faunal Province graptolites from the Ordovician of northern Yukon, Canada

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Abstract
Tylograptus, Sinograptus, Pterograptus, Syndyograptus and Reteograptus pulcherrimus are described from northern Yukon. The last 3 taxa are recognized for the 1st time in northern Canada. R. pulcherrimus occurs in Ashgillian age beds, the remainder in Llanvirnian and Llandeilian beds. All taxa are found in regions bordering the present Pacific or Arctic Oceans; however, Pterograptus also occurs in the Baltic region, and Syndyograptus is found in the Appalachian region.

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