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Lithostrotion from Northeast British Columbia and Its Bearing on the Genomorph Concept

D. J. McLaren and P. K. Sutherland
Journal of Paleontology
Vol. 23, No. 6 (Nov., 1949), pp. 625-634
Stable URL: http://www.jstor.org/stable/1299671
Page Count: 11
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Lithostrotion from Northeast British Columbia and Its Bearing on the Genomorph Concept
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Abstract

The variation between the corallites in a fragment of a massive Mississippian coral from northeast British Columbia embraces structures which are typically developed in Lithostrotion, Lithostrotionella and Thysanophyllum. The affinities of these and related forms are discussed. It is considered that Lithostrotionella and Thysanophyllum are genomorphs of Lithostrotion but that Thysanophyllum is a polyphyletic form which may have arisen from several different lineages.

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