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Blastozoa

Published online by Cambridge University Press:  19 July 2017

Thomas W. Broadhead
Thomas W. Broadhead*
Affiliation:
Department of Geological Sciences, University of Tennessee, Knoxville, Tennessee 37916
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Extract

Blastozoan echinoderms include several classes of stalked echinoderms with a combined stratigraphic range from Lower Cambrian to Upper Permian. Ranges of constituent classes tend to be much shorter, except for the Blastoidea, which are known from the Middle Ordovician (Broadhead, 1980) to the Upper Permian (Breimer & Macurda, 1972).

Type
Research Article
Information
Series in Geology, Notes for Short Course , Volume 3: Echinoderms: Notes for a Short Course , 1980 , pp. 118 - 132
Copyright
Copyright © 1980 University of Tennessee, Knoxville 

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