Identifying Sponges

Key to California Porifera (Page 073)

( From page 002 C) Megascleres Diacts ONLY. No microscleres.
[A] GO TO PAGE 075
Oxeas ONLY, may be free or coring spongin fibers.
[B] GO TO PAGE 074
Oxeas with Subtylotes to Strongyles, may be microspined on the heads, or not.
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