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Heteractinida

Published online by Cambridge University Press:  19 July 2017

J. Keith Rigby
J. Keith Rigby*
Affiliation:
Department of Geology, Brigham Young University, Provo, Utah 84602
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Extract

The Heteractinida are a relatively minor group of calcareous sponges, although Astraeospongium, one of the currently 14 known genera in the order, is one of the most commonly studied fossil sponges in the world. Principle record of the Heteractinida is from North America and Europe, although they have now been reported from Australia, Africa, Asia and South America. Occurrences in the latter areas generally are only isolated spicules or single specimens.

Type
Research Article
Information
Series in Geology, Notes for Short Course , Volume 7: Sponges and Spongiomorphs , 1983 , pp. 70 - 89
Copyright
Copyright © 1983 University of Tennessee, Knoxville 

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