[A]
Toxa absent.
Acanthostyles of 2 size classes.
Styles present; 1 size class. |
| | ?Clathria (Microciona) sp. A-2.
(Green & Bakus, 1994) |
Sponge:
Thin, encrusting less than 1 mm thick.
Consistency: fragile.
Surface: prickly, slightly hispid.
Oscula: no pores or oscula visible.
Color: Alive: Not given. Preserved: White, semi- transparent near the surface.
Spicules: Megascleres:
(1) Acanthostyles:
122 -149- 187 um.
x 10 -14- 18 um.
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(2) Acanthostyles:
320 -510- 720 um.
x 18 -28- 36 um.
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(3) Styles:
290 - 447- 600 um.
x 8 -11- 13 um.
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(4) Subtylotes:
200 -250- 300 um.
x 5 -6- 8 um.
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Microscleres:
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(1) Palmate Isochelae:
18 -22- 26 um.
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Skeleton:
Ectosome: with Subtylotes.
Choanosome: Acanthostyles with heads embedded in basal spongin. Styles, Acanthostyles and microscleres free in the choanosome.
Distribution: Southern California, Santa Maria Basin.
Depth: Deep water, 96 - 105 m.
Note: Originally designated as Hymedesmia (Holorodesmia) sp. A. Holorodesmia has now been synonymized with Clathria (Microciona). Diagrams from Green & Bakus, 1994
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|
[B]
Toxas present - may be rare.
Acanthostyles 1 size class.
Styles with microspined heads, 2 size classes. Strongyles with microspined heads.
|
| | Megaciella sp. 2
[of Lee] |
Sponge:
Massive.
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