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II.—Contributions to the Palæontology of the Yorkshire Oolites

Published online by Cambridge University Press:  01 May 2009

Wilfrid H. Hudleston
Wilfrid H. Hudleston
Affiliation:
Genus Actæion, Montfort=Tornatella, Lamarck
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Extract

Two species, or at least two well-marked varieties of one species, occur in the lower beds of the Inferior Oolite of Yorkshire, which cannot be referred to Actœonina, but which are provisionally placed under Actœon. The type is the well-known Auricula Sedgvici, Phil., characteristic of the Dogger, though far from common, and almost impossible to obtain in a perfectly satisfactory state. Hence the chief difficulty.

Type
Original Articles
Information
Geological Magazine , Volume 2 , Issue 6 , June 1885 , pp. 252 - 257
Copyright
Copyright © Cambridge University Press 1885

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References

page 252 note 1 Stolizcka notices this group of shells (op. cit. p. 404), and is disposed to place them under Bullinula, Beck (Bullina, Fér. apud H. and A. Adams), He observes that the two oldest species apparently belonging to this genus are the Jurassic Actœonina pulchella, D'Orb., and Act. striato-sulcata, Zittel and Goubert. Subsequently he refers, though with more doubt, to. the Yorkshire fossils now under consideration.

page 252 note 2 For Plate V., see the May Number of the Geol. Mag.