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VI.—Note on the Type-specimens of Ammonites cordatus and Ammonites excavatus, J. Sowerby

Published online by Cambridge University Press:  01 May 2009

G. C. Crick
G. C. Crick
Affiliation:
British Museum (Natural History).
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Extract

J. Sowerby's type - specimens of Ammonites cordatus and Ammonites excavatus have been dealt with comparatively recently by Miss M. Healey in the Palœontologia universalis (sér. II, fasc. 1, August, 1905, Nos. 94, 94a, and 92, 92a, 92b respectively), but her statements require a little modification in some details. Both specimens are in the British Museum collection, and were described and figured in the Mineral Conchology.

Type
Original Articles
Information
Geological Magazine , Volume 7 , Issue 11 , November 1910 , pp. 503 - 505
Copyright
Copyright © Cambridge University Press 1910

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References

page 504 note 1 The dedication of the work, and each plate in No. i, which included pls. i–iii with explanatory text, is dated May 25, 1812.