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Cymatelasma, a new Genus of Silurian Rugose Corals

Published online by Cambridge University Press:  01 May 2009

Dorothy Hill  and
A. J. Butler
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Extract

THIS paper describes and discusses the affinities of a new genus of Rugose corals, and indicates the trends of development affecting it; the stratigraphical distribution of the four new species which compose the genus is recorded, and the structure, insertion, and symmetry of their septa are described in some detail.

Type
Original Articles
Information
Geological Magazine , Volume 73 , Issue 11 , November 1936 , pp. 516 - 527
Copyright
Copyright © Cambridge University Press 1936

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References

page 517 note 1 All the specimens mentioned and figured in this paper are in the Sedgwick Museum, Cambridge.Google Scholar

page 524 note 1 I am much indebted to Dr. Maurice Black for instructing me in the effects of re-crystallization in a fibrous aggregate. (D. H.)Google Scholar

page 525 note 1 See Hill, D., Geol. Mag., LXXII, 1935, 502–506, and text-figs. 16–17.Google Scholar

page 525 note 2 Butler, A. J., Geol. Mag., LXXII, 1935, 119.Google Scholar

page 526 note 1 Butler, A. J., Ann. Mag. Nat. Hist., 10, xiii, 1934, 543–5, and text-fig.Google Scholar