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A second specimen of Osculocystis Paul 1967

Published online by Cambridge University Press:  01 May 2009

C. R. C. Paul
C. R. C. Paul
Affiliation:
Sedgwick Museum, Cambridge CB2 3EQ
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Summary

A second specimen of Osculocystis confirms that the genus occurs in the Upper Llandovery (Purple Shales) near Buildwas, Shropshire and adds information on morphology. The subvective system consists of a single long brachiole; the stem lacks a root structure. The mouth, gonopore and hydropore are described and the three pectinirhombs B2:IL2, L2:R1 and L4:R3 are confirmed.

Type
Articles
Information
Geological Magazine , Volume 107 , Issue 4 , July 1970 , pp. 383 - 387
Copyright
Copyright © Cambridge University Press 1970

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References

REFERENCES

Cocks, L. R. M. & Walton, G. 1968. A large temporary exposure in the Lower Silurian of Shropshire. Geol. Mag., 105, 390–397.CrossRefGoogle Scholar
Jaekel, O. 1899. Stammesgeschichte der Pelmatozoen. 1. Thecoidea und Cystoidea. X + 442 pp., Berlin.Google Scholar
Paul, C. R. C. 1967a. The British Silurian Cystoids. Bull. Br. Mus. nat. Hist. A (Geol.) 13, 297–356, 10 pls.Google Scholar
Paul, C. R. C. 1967b. Osculocystis, a new British Silurian cystoid. Geol. Mag., 104, 449–454, pl. 21.CrossRefGoogle Scholar
Ziegler, A. M. 1965. Silurian marine communities and their environmental significance., Nature, Lond., 207 (4994), 270–272.CrossRefGoogle Scholar