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Glass sponges (Hexactinellida)
Glass sponges - class Hexactinellida are typical by tri-axial (triaxonn) spicules, composed of opal (in the fossil record by SiO2).
Author: Radek Vodrážka
Protospongia
Inv. no.
MM297
Taxonomy
Kmen: Porifera / Třída: Hexactinellida / Rod: Protospongia
Description
Lithostratigraphy
klabavské souvrství
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Protospongia
Virtual museum of the Czech Geological Survey, www.geology.cz, (C) Czech Geological Survey, 2011, v.0.99 [13.12.2011]