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II.—On the Punctation of the Shells of Terebratula

Published online by Cambridge University Press:  01 May 2009

F. G. Percival
Affiliation:
Assistant Lecturer in Geology at the University of Manchester.

Extract

In 1844 Carpenter [1] divided the fossils then known as Terebratula into two groups—a perforate group, having the test covered with minute pores, and an imperforate group (the Rhynchonellids). These perforations (see Plate III) correspond to tubular processes of the mantle.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1916

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References

1.Carpenter, (Dr. W.). “On the Microscopic Structure of Shells”: Rep. Brit. Assoc., 1844, pp. 1618.Google Scholar
2.Sharpe, (Daniel). “On Trematis”: Q.J.G.S., vol. iv, p. 67, 1848.Google Scholar
3.Sollas, (Professor W. J.). “Notes on the Cæcal Processes of the Shells of Brachiopoda interpreted as sense-organs”: Sci. Proc. Roy. Dub. Soc., n.s., Vol. v, 18861887.Google Scholar
4.Morse, (E. S.). “On the Embryology of Terebratulina”: Mem. Boston Nat. Hist. Soc., vol. ii, 18711878.Google Scholar
5.King, (Professor W.). “On the Histology of the Test of the Class Palliobranchia”: Trans. Roy. Irish Acad., vol. xxiv, p. 439, 1867.Google Scholar