Key to California Porifera (Page 217)
( From page 001 B)
CALCAREOUS SPICULES PRESENT: Calcareous Triacts (Triradiates) or Quadriradiates present (may have other types also).
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Sponge borne on a narrow stalk at least one-fourth to one-third of the total height.
If sponge has a distinct tripartate body (oscular tube, trunk, stalk) and occurs at depths > 1000 m., see page 265.
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Sponge WITHOUT stalk.
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The Marine Sponges of California
- Welton Lee, etal. All Rights Reserved.
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