W. J. Barkas
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View article: On the genus Ctenodus, a fish found in the true coal measures of Great Britain
On the genus Ctenodus, a fish found in the true coal measures of Great Britain Open
Clarke and Mr. A. W. Scott were the first to discover this fish's close resemblance to Agassiz's extinct genus, at least so far as the teeth are concerned.
View article: <i>Hybodus</i>, A Coal-Measure Fish
<i>Hybodus</i>, A Coal-Measure Fish Open
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View article: IV.—Hybodus, a Coal Measure Fish
IV.—Hybodus, a Coal Measure Fish Open
There appear to be two or three obstacles in the way of a proper classification of fossil fishes, and of obtaining sufficient data to establish the earliest period cf the earth's formation, during the deposition of which any particular fis…