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III.—On the Relationships of Certain Carboniferous Dipnoi; with Descriptions of Four New Forms

Published online by Cambridge University Press:  11 June 2012

Keith Stewart Thomson
Keith Stewart Thomson
Affiliation:
Department of Zoology, University College London.
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Synopsis

The Lower Carboniferous genus Prosagenodus Romer and Smith 1934 is re-examined. The type species Prosagenodus interruptus is re-assigned to the genus Ctenodus and a new genus Tranodis named for the American species, of which new material is described. The new species Ctenodus romeri is described, the new genus Straitonia is described, and the bearings of all these discoveries upon consideration of the phylogenies of Ctenodus and Sagenodus is discussed.

Type
Research Article
Information
Proceedings of the Royal Society of Edinburgh, Section B: Biological Sciences , Volume 69 , Issue 3-4 , 1966 , pp. 221 - 245
Copyright
Copyright © Royal Society of Edinburgh 1966

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References

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