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A New Genus of Sponge from the Middle Ordovician

Wiley S. Rogers, Margie Jackson and Kenneth McKinney
Journal of Paleontology
Vol. 38, No. 1 (Jan., 1964), pp. 135-137
Stable URL: http://www.jstor.org/stable/1301504
Page Count: 3
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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.
A New Genus of Sponge from the Middle Ordovician
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Abstract

A new genus of Middle Ordovician sponge, Offella, and its type species, Offella spondeum, are established on the basis of an analysis of 126 individuals collected from the lowermost biofacies of the Lenoir limestone in Cahaba Valley, Alabama. Based on certain morphological characters of this new genus and on the faunal associates, a tentative reconstruction of the paleoecology of the Middle Ordovician of this area is presented.

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