Identifying Sponges

Key to California Porifera (Page 161)

( From page 157 A) Diacts = Tornotes - Strongyles. May be simple or mucronate, smooth, with pointed tips, or with blunt-microspined tips. NO Tylotes or Subtylotes.
[A] GO TO PAGE 162
Arcuate Isochelae present.
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[B] GO TO PAGE 173
NO Arcuate Isochelae present.
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