Identifying Sponges

Key to California Porifera (Page 090)

( From page 089 B) Oxeas > 110 μm.
[A] GO TO PAGE 091
Sponge massive.
Spicules only coring fibers.
Sponge very thinly encrusting.
Spicules coring fibers as well as strewn in confusion.
de Laubenfels, 1930
Sponge: Very thin, encrusting 1-2 mm thick.
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