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II.—Observations on the Genus Porambonites

Published online by Cambridge University Press:  01 May 2009

Thomas Davidson
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Extract

In 1830 Pander proposed the genus Porambonites for a remarkable group of Lower Silurian Brachiopoda, which abound in the neighbourhood of St. Petersburg, in Esthonia, and other parts of Russia; as well as in rocks of a similar geological age in Great Britain, Portugal, and other countries.

Type
Research Article
Information
Geological Magazine , Volume 1 , Issue 2 , February 1874 , pp. 51 - 54
Copyright
Copyright © Cambridge University Press 1874

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References

page 52 note 1 At p. 112 of his “Monograph of the Permian Fossils of England,” Prof. King alludes to these plates: “Larger valve, with two long more or less diverging dental plates, and a median sinus. Small valve, with two long more or less diverging socket plates.”

page 53 note 1 In pl. iii. figs. 28, 29, 30, of his Beiträge zur Geognosie des Russischen reiches, Pander gives a figure of this same internal cast, but which he erroneously considers to be a Pentamerus.