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The Generic Position and Phylogeny of Some Jurassic Arcidae

Published online by Cambridge University Press:  01 May 2009

W. J. Arkell
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Extract

So much confusion has occurred in the past over the identification of the genera which we have been discussing, that a list of some figured species from the Jurassic rocks, arranged in their proper sub-genera, may be useful. The only previous attempt at a list of this sort, so far as I am aware, is that by Professor Rollier, who was only able to enumerate five species. He called all these Beushausenia, but two are not Beushausenias but true Parallelodons, while a third belongs to a different genus.

Type
Original Articles
Information
Geological Magazine , Volume 67 , Issue 8 , August 1930 , pp. 337 - 352
Copyright
Copyright © Cambridge University Press 1930

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References

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