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III.—Notes on Myriopoda. XIX.1 A Revision of some Fossil Material from Sparth Bottoms, Lancs.

Published online by Cambridge University Press:  01 May 2009

J. Wilford Jackson ,
Hilde K. Brade-Birke  and
S. Graham Brade-Birke
J. Wilford Jackson
Affiliation:
Assistant Keeper of the Manchester Museum
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Extract

A Careful examination of four fossil millipedes from the Middle Coal-measures of Sparth Bottoms, Rochdale, three preserved in the Manchester Museum and one in Mr. H. Howard's private collection, has revealed some striking features which seem to justify a re-description of the whole material.

Type
Original Articles
Information
Geological Magazine , Volume 6 , Issue 9 , September 1919 , pp. 406 - 411
Copyright
Copyright © Cambridge University Press 1919

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References

page 406 note 2 Baldwin, , Geol. Mag., 1911, p. 76, Pl. IV, Fig. 1.Google Scholar

page 407 note 1 Owing to the direction of the relative displacement of the dorsal and ventral parts of the animal's body, it is clear that the right-hand side will be more convex than in life and the left-hand side will tend to be flatter than in life. It follows that when alive the animal was definitely convex dorsally from side to side, but the degree of convexity can only have been slight, and the animal is consequently correctly regarded as a “flat-backed” millipede.

Baldwin, , op. cit., 1911, p. 77, Pl. V, Fig. 4.Google Scholar

page 410 note 1 Baldwin, , op. cit., 1911, p. 78, Pl. IV, Fig. 2.Google Scholar