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The microstructure of Michelinia meekana Girty, 1910

Published online by Cambridge University Press:  14 July 2015

Yves Plusquellec  and
William J. Sando
Yves Plusquellec
Affiliation:
Laboratoire de Paléontologie et de Stratigraphie du Paléozoique, 29283 Brest–Cedex, France (GRECO 130007-CNRS)
William J. Sando
Affiliation:
U.S. Geological Survey, U.S. National Museum of Natural History, Washington, D.C. 20560
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Abstract

The wall of Michelinia meekana Girty is composed predominantly of lamellae that are approximately parallel to the median dark line, confirming its placement in the genus Michelinia s.s. The presence of a Praemichelinia-type microstructure in some parts of the wall is a recurrence of primitive architecture that suggests derivation of Michelinia from Praemichelinia.

Type
Research Article
Information
Journal of Paleontology , Volume 61 , Issue 1 , January 1987 , pp. 10 - 13
Copyright
Copyright © The Paleontological Society 

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References

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