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II.—On the Occurrence of the Genus Dimyodon, Mun.-Chalm., in the Mesozoic Rocks of Great Britain

Published online by Cambridge University Press:  01 May 2009

K. A. Grönwall
K. A. Grönwall
Affiliation:
Geological Survey of Denmark, Copenhagen
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Extract

When looking through the number of the Quarterly Journal of the Geological Society for August, 1905, I saw the paper by Mr. Richardson on the Rhœtic deposits of Glamorganshire and his figure of Plicatula intusstriata, Emmr. At the first glance it struck me that this fossil was closely allied to a group of bivalves, well known to me as occurring in the Chalk, where it is represented by the genus Dimyodon, Munier-Chalmas.

Type
Original Articles
Information
Geological Magazine , Volume 3 , Issue 5 , May 1906 , pp. 202 - 205
Copyright
Copyright © Cambridge University Press 1906

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References

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page 203 note 2 Palæontographica, vol. xxxviii (1891), p. 89Google Scholar, pi. iv, fig. 7.

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page 203 note 6 A Monograph of the Cretaceous Lamellibranchia of England (Palæont. Soc, 1899–1903).

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page 204 note 1 “Grundzüged. Paläontologie,” Zweite Auflage, 1903, p. 292.Google Scholar

page 204 note 2 Besides that some species may be concealed among Plicatulœ and Ostrœ, I may here mention that Mr. Munier-Chalmas in 1897 told me, in a letter, that there were still some undescribed Jurassic species of Dimyodon.

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page 204 note 5 “Der Jura,” 1858, p. 628Google Scholar, pi. lxxviii, fig. 4. The author also figures a Plicatula sp. (pl. lxxviii, fig. 5) from the White Jura β; it belongs to Dimyodon.

page 205 note 1 Stolley: loc. cit. Grönwall: loc. cit., fig. 8.

page 205 note 2 Grönwall: loc. cit., figs. 4–7.

page 205 note 3 Palœontographica, vol. xxxviii (1891-1892), p. 88Google Scholar, pi. iv, figs. 2a-e.

page 205 note 4 Grönwall: loc. cit., figs. 1–3. Woods: loc. cit.

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page 205 note 6 Lethæa rossica, vol. ii, pp. 406–7.

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