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II.—Notes on new and imperfectly known Cretaceous Polyzoa

Published online by Cambridge University Press:  01 May 2009

R. M. Brydone F.G.S.
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Extract

Besides the series of Membraniporellæ last described there are several other Cribrilinidæ which develop a secondary aperture in the same way, and the next four species are instances.

Type
Original Articles
Information
Geological Magazine , Volume 4 , Issue 11 , November 1917 , pp. 492 - 496
Copyright
Copyright © Cambridge University Press 1917

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References

1 Geol. Mag., 1910, p. 391, Pl. XXX, Figs. 6–8.Google Scholar

1 Geol. Mag., 1909, p. 398, Pl. XXII, Figs. 4, 5.Google Scholar

1 Geol. Mag., 1917, p. 50, Pl. III, Figs. 3, 4.Google Scholar