Order Leucosoleniida
Family Leucosoleniidae
Family Sycettidae
Family Heteropiidae
Family Grantiidae
Family Amphoriscidae
Family Lepidoleuconidae
Family Staurorrhaphidae
Order Lithonida
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Subclass Calcaronea Order Leucosoleniida |
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taken from 'Sponguide' by J.N.A. Hooper (Queensland Museum, Brisbane) |
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Definition: Only with free spicules, without calcified non-spicular reinforcements.
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With 7 families (see menu left).
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PDF Version of the Calcarea Chapter
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