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On Dayia navicula (J. de C. Sowerby) and Whitfieldella canalis (J. de C. Sowerby) from the English Silurian

Published online by Cambridge University Press:  01 May 2009

F. E. S. Alexander
F. E. S. Alexander
Affiliation:
(née Caldwell), Sedgwick Museum, Cambridge
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Extract

During 1931–4 several hundred specimens of these two species were collected, including a quantity of excellently preserved silicified material from an exposure of the Dayia Shales (Elles and Slater, 1906, pp. 197 and 198), near Norton in Shropshire. Serial sections and development of the material have made possible the detailed descriptions which follow.

Type
Articles
Information
Geological Magazine , Volume 84 , Issue 5 , October 1947 , pp. 304 - 316
Copyright
Copyright © Cambridge University Press 1947

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References

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