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Callocystites brevis, a new Silurian rhombiferan cystoid from Indiana

Published online by Cambridge University Press:  01 May 2009

Summary

A new rhombiferan cystoid, Callocystites brevis, is described from the top 45 cm of the Laurel Limestone at Sandusky, Decatur County, Indiana. The species is known from a single crushed theca and many isolated plates. C. brevis is characterized by short, unbranched ambulacra. The subfamily Callocystitinae and the genus Callocystites are redefined.

Type
Articles
Copyright
Copyright © Cambridge University Press 1971

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