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On the occurrence of Parabrograptus and Sinograptus from the Middle Ordovician of Western Canada

Published online by Cambridge University Press:  01 May 2009

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

Abstract

Specimens of Parabrograptus and Sinograptus from western Canada are described for the first time. An amended diagnosis of Parabrograptus is given. One pyritized fragment of a sinograptid stipe exhibits characters intermediate between Holmograptus and Sinograptus.

Type
Articles
Copyright
Copyright © Cambridge University Press 1966

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References

REFERENCES

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