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Asterozoa and the Study of Palaeozoic Faunas

Published online by Cambridge University Press:  01 May 2009

W. K. Spencer
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Abstract

This paper is an elaboration of the author's contribution to the 1938 British Association discussion on the distribution and migration of British Lower Palaeozoic faunas. It concerns mainly the faunas of Western Europe and North America and presents in summary the author's conclusions regarding faunal affinities and directions of immigration of the Asterozoan element in those areas. There is a notable agreement with Stubblefield's conclusions regarding the trilobite element, especially as concerns the Ordovician. The scope of the discussion is here extended to include notes on Devonian and Carboniferous faunas and some Cystid references. The paper concludes with some systematic notes, and three new generic names are proposed.

Type
Articles
Information
Geological Magazine , Volume 87 , Issue 6 , December 1950 , pp. 393 - 408
Copyright
Copyright © Cambridge University Press 1950

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References

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