New data on Tremadoc graptolites from Yukon, Canada

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New data on Tremadoc graptolites from Yukon, Canada

  • Volume / Part: 18 / 4
  • Publication Date: November 1975
  • Page(s): 883 - 887
  • Authored By: D. E. Jackson

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The Tremadocian subzones of Staurograptus tenuis. Anisograptus richardsoni. Clonograptus aureus, and Adelagraptus anriquus are given full zonal status in northern Richardson Mountains. Bryograptus ramosus Broggor and a species of Dictyonema are described from the upper Tremadotc. The occurrence of B. ramosus in the C. aureus Zone supports a correlation with shales of 3a(beta symbol) age in Norway.

Palaeontology - Volume 18 Part 4 Pages 883-887



Palaeontology - Volume 18 Part 4 Pages 883-887

Citations

JACKSON, D. E. 1975. New data on Tremadoc graptolites from Yukon, Canada. Palaeontology, 18, 4, 883–887.