[A]
Toxas (15 - 325 μm) with microspined ends. |
(de Laubenfels, 1930) |
Sponge:
Encrusting to 2 cm.
Consistency: Firm, Spongy.
Surface: superficially pilose, with spicules.
Oscula: 1.5 mm.
Color: Alive: Scarlet, salmon to salmon red. Preserved: drab.
Spicules: Megascleres:
(1) Acanthostyles with heavily spined heads:
85 - 115 um.
x 5.0 -10.0 um.
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(2) Styles-often with minutely spined heads:
275 - 330 um.
x 20.0 - 27.0 um.
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(3) Subtylostyles-with microspined heads:
180 - 260 um.
x 3.0 - 4.0 um.
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Microscleres:
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(1) Palmate Isochelae:
12 - 16 um.
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(2) Toxas-with microspined ends:
15 - 325 um.
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Skeleton:
Ascending plumose tracts of smooth styles with terminal tufts that penetrate surface. Subtylostyles mostly grouped at surface. Acanthostyles sparseley echinating tracts of styles.
Distribution: Southern to Northern California.
Depth: Intertidal to deep water.
Note: Was Microciona microjoanna.
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[B]
Toxas (14-100 μm) with smooth ends.
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(de Laubenfels, 1930) |
Sponge:
Encrusting to 3-20 mm thick.
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