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Psigraptus, a New Graptolite Genus from the Tremadocian of Yukon, Canada

Published online by Cambridge University Press:  01 May 2009

D. E. Jackson
D. E. Jackson
Affiliation:
Geology Department, University of Alberta, Edmonton.
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Abstract

The new genus, Psigraptus, containing P. arcticus n. sp. and genotype and P. lenzi is proposed for two-branched and three-branched reclined graptolites with isolate autothecae. The genus is known only from the Bryograptus-Clonograptus Zone (Tremadocian), Yukon Territory.

Type
Articles
Information
Geological Magazine , Volume 104 , Issue 4 , August 1967 , pp. 317 - 321
Copyright
Copyright © Cambridge University Press 1967

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References

REFERENCE

Spjeldnaes, N., 1953. The Middle Ordovician of the Oslo Region, Norway. Norsk geol. Tidsskr., 31, 171–184.Google Scholar