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II.—Helicoprion—Spine or Tooth? - “Ueber die Reste von Edestiden und die neue Gattung Helicoprion.” By A. Karpinsky. Verhandl. k. russ. min. Ges. St. Petersburg, ser. ii, vol. xxxvi, No. 2, with 4 pls. and 72 text-figs. (1899).
Published online by Cambridge University Press: 01 May 2009
Abstract
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References
1 Compare figures by Williamson, , Phil. Trans., 1851, pl. xxx, fig. 29Google Scholar; and Fritsch, A., “Fauna der Gaskohle,” vol. ii (1889), p. 101, figs. 178, 180Google Scholar.
2 Traquair, R. H., “Notes on Palæozoic Fishes”: Ann. Mag. Nat. Hist. [7], vol. ii (1898), p. 69Google Scholar (Protodus scoticus, E. T. Newton, sp.).
3 E.g. Cochliodus contortus, Ag.: Davis, J. W., Trans. Roy. Dublin Soc. [2], vol. i (1883), pl. lii, figs. 4a, 5Google Scholar.
4 Garman, S.: Bull. Mus. Comp. Zool. Harvard Univ., vol. xii, No. 1, p. 6, pl. iiGoogle Scholar.