Identifying Sponges
Key to California Porifera (Page 003)
( From page 002 A)
Monacts ONLY. No microscleres.
[A]
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Megascleres, Styles ONLY, or Styles to Subtylostyles ONLY.
[B]
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Megascleres NEVER just Styles or Styles to Subtylostyles ONLY. Spicules may include combinations of Acanthostyles, Styles to Subtylostyles, Tylostyles and Tylostrongyles, OR Tylostyles ONLY.
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