Identifying Sponges

Key to California Porifera (Page 025)
( From page 024 B) Microscleres OTHER THAN Toxas ONLY, OR Toxas with microxeas.
[A] GO TO PAGE 026
Microscleres Arcuate Isochelae ONLY.
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[B] GO TO PAGE 027
Microscleres OTHER THAN Arcuate Isochelae ONLY. May include Palmate Isochelae or Anisochelae, Toxas, or Rhaphides. OR NO microscleres.
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