Identifying Sponges

Key to California Porifera (Page 197)

( From page 188 B) Microscleres Arcuate Isochelae AND Sigmas OR Arcuate Isochelae, Sigmas and Forceps.
[A] GO TO PAGE 198
Microscleres do NOT include Forceps;
Sigmas of 1 size class.
Microscleres include Forceps.
Sigmas of 2 size classes.
Lee, 2001
Sponge: Thinly encrusting to 1.5 mm on Hinnites multirugosus, or thickly encrusting to 3.3 cm, irreg.
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