Distinctions between the Carboniferous lamellibranch genera Caneyella, Posidonia, and Posidoniella
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EXAMPLES of lamellibranchs variously referred to the genera Posidonia and Posidoniella occur abundantly in the Visean and Namurian rocks of England. This note gives external characters by which the two genera may be distinguished from each other and from the genus Caneyella. It is published with the permission of the Director of the Geological Survey of Great Britain.
Citations
RAMSBOTTOM, W. H. C. 1959. Distinctions between the Carboniferous lamellibranch genera Caneyella, Posidonia, and Posidoniella. Palaeontology, 1, 4, 405–406.