Identifying Sponges

Key to California Porifera (Page 038)

( From page 037 B) NO Placochelae or Biplacochelae present.
[A] GO TO PAGE 039
Microscleres include Unguiferous Isochelae or Anisochelae AND may have Sigmas.
NO Spatuliferous Chelae present.
[B] GO TO PAGE 044
Microscleres include Spatuliferous Aniso- or Isochelae AND may have Sigmas and/or Toxas.
NO Unguiferous chelae present.
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