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Modern Hexactinellida

Published online by Cambridge University Press:  19 July 2017

Willard D. Hartman
Willard D. Hartman*
Affiliation:
Department of Biology and Peabody Museum of Natural History, Yale University, 170 Whitney Ave., P.O. Box 6666, New Haven, CT 06511
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Extract

Hexactinellid sponges have a skeleton made up basically of six-rayed spicules occurring individually or fused together by supplementary secretions of silicon dioxide to form a rigid latticelike or reticulate skeleton. Microscleres of one of two basic types are always present. The axial canal of hexactinellid spicules is square in cross section.

Type
Research Article
Information
Series in Geology, Notes for Short Course , Volume 7: Sponges and Spongiomorphs , 1983 , pp. 90 - 100
Copyright
Copyright © 1983 University of Tennessee, Knoxville 

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