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On a New Species of Semionotus from the Keuper of Nottingham

Published online by Cambridge University Press:  01 May 2009

H. H. Swinnerton
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Extract

Reference has been made in previous articles (1, 2) to the discovery of fossil fishes in the sandstone immediately overlying the basal conglomerate of the Keuper near Nottingham. The upper portion of this sandstone splits into slabs two or three inches thick along filmy partings of greenish clay. The specimen described and figured below was found lying upon the surface of one of these slabs with its head partially buried in the sandstone itself. After being carefully cleaned it proved to be a well-preserved specimen of Semionotus differing to a sufficiently marked degree from previously described species to merit the creation of a new species.

Information

Type
Original Articles
Information
Geological Magazine , Volume 65 , Issue 9 , September 1928 , pp. 406 - 409
Copyright
Copyright © Cambridge University Press 1928

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References

BIBLIOGRAPHY

1. Swinnerton, H. H. “The Keuper Basement-Beds near Nottingham,” Proc. Geol. Assoc., vol. xxix (1918).Google Scholar
2. Swinnerton, H. H. “A New Catopterid Fish from the Keuper of Nottingham,” Quart. Journ. Geol. Soc., vol. lxxxi, part i, 1925.Google Scholar
3. Woodward, A. Smith Catalogue of Fossil Fishes in the British Museum (Natural History), 1895, pt. iii, pp. 55–64.Google Scholar
4. Schellwien, E. “Ueber Semionotus,” Schriften Physikalisch Gesellschaft, Königsberg, 1901, p1. xxxiii.Google Scholar
5. Frass, O. “Ueber Semionotus und einige Keuper-Conchylien,” Jahreshefte, Wurttemberg, 1861 (xvii), pp. 81–101.Google Scholar