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The Shell of Devonian Atrypida (Brachiopoda)

Published online by Cambridge University Press:  01 May 2009

Paul Copper
Paul Copper
Affiliation:
Geology Department, Queen's University, Kingston, Canada.
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Abstract

A simple visual method for distinguishing important Devonian atrypid brachiopod taxa, and for separating the Atrypidae and Palaferellidae family-groups is outlined. The thickness, distribution, and repetition of the three layers of impunctate atrypid shell wall differ markedly from one genus to the next and show a general evolutionary trend towards reduction and simplification.

Type
Articles
Information
Geological Magazine , Volume 104 , Issue 2 , April 1967 , pp. 123 - 131
Copyright
Copyright © Cambridge University Press 1967

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References

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