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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
D. E. Jackson
Affiliation:
Department of Geology, University of Alberta, Edmonton Canada
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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
Information
Geological Magazine , Volume 103 , Issue 3 , June 1966 , pp. 263 - 268
Copyright
Copyright © Cambridge University Press 1966

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References

REFERENCES

mu, A. T., 1957. Some new or little-known graptolites from the Ningkuo Shale (Lower Ordovician) of Changshan, Western Chekiang. Acta Palaeont. Sinica, 5 (3), 369–437.Google Scholar
mu, A. T., 1958. Abrograptus, a new graptolite genus from the Hulo Shale (Middle Ordovician) of Kiangshan, Western Chekiang. Acta Palaeont. Sinica, 6 (3), 259–265.Google Scholar
mu, A. T., and Qiao, X. D., 1962. New materials of Abrograptidae. Acta Palaeont. Sinica, 10 (1), 1–8.Google Scholar