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The Periproctal Plates of Discoidea

Published online by Cambridge University Press:  01 May 2009

S. C. A. Holmes
S. C. A. Holmes
Affiliation:
Sedgwick Museum, Cambridge.
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Extract

The periproctal plates of three specimens are here described and a comparison made with related genera, the latter including a description of the periproctals of Pseudodiscoidea.

Type
Original Articles
Information
Geological Magazine , Volume 72 , Issue 10 , October 1935 , pp. 470 - 478
Copyright
Copyright © Cambridge University Press 1935

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References

1.—Cotteau, G., 1862–1867. Paléontologie Francaise, tom, vii, pl. 1012, fig. 6.Google Scholar
2.—Cotteau, G., Peron, P. A., and Gauthier, V., 1870–1891. Echinides fossiles de l’Algérie, tom, ii, Terr, secondaires, fasc. vi, Étage turonien, pi. vi, figs. 5 and 7.Google Scholar
3.—Hawkins, H. L., 1912. “The classification, morphology, and evolution of the Echinoidea Holectypoida,” Proc. Zool. Soc. London, 466.Google Scholar
4.—McCoy, F., 1854. Contributions to British Palaeontology, 67.Google Scholar
5.—North, F. J., 1915. “On the Periproctal Plates of Discoidea cylindrica (Lamarck),” Ann. Mag. Nat. Hist., (8), xvi, 499.CrossRefGoogle Scholar
6.—Westergren, A. M., Mem. Mus. Comp. Zool. Harvard, xxxix, No. 2, pl. 15.Google Scholar
7.—Wright, T., 1873. “Cretaceous Echinodermata,” Palaeont. Soc. London, i, 208, pl. xlvii, fig. 4h.Google Scholar