[A]
Acanthostyles with pointed end spined.
Head end bent. |
(de Laubenfels, 1930) |
Sponge:
Stalked, frondose to 28 mm high.
Consistency: spongy to cartilaginous.
Surface: superficially smooth.
Oscula: and pores not evident.
Color: Preserved: Pale drab. Alive: Brick red.
Spicules: Megascleres:
(1) Acanthostyles (pointed end spined; head end bent):
180 - 320 um.
x 12 - 20 um.
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(2) Styles:
430 - 550 um.
x 15 - 20 um.
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(3) Strongyles:
350 - 370 um.
x 16 - 19 um.
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(4) Spicule (long and smooth):
> 800 um.
x 10 um.
broken; unidentifiable.
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Microscleres:
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(1) Rhaphide:
200 - 300 um.
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Skeleton:
Ectosome: Dermal membrane containing dark cells and foreign bodies.
Choanosome: Axial and peripheral regions. Axial: smooth Styles in confusion. Peripheral: Dense, Acanthostyles with points out.
Distribution: Southern to Northern California.
Depth: Subtidal to deep water.
Note: See pages 33A, 33B, and 115A. Was Hemectyon hyale.
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Acanthostyles WITHOUT spines on pointed end.
Head end NOT bent.
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