Identifying Sponges
Key to California Porifera (Page 108)
( From page 104 B)
NO Toxas present.
[A]
GO TO PAGE 109
Sigmas present.
NO microspined microxeas (Onychaetes) present.
[B]
GO TO PAGE 112
NO Sigmas present.
Microspined microxeas (Onychaetes) present.
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