[A]
Acanthostyles 3 size classes.
Toxa present. |
| | Megaciella sp. 1
[of Lee] |
Sponge:
Thickly encrusting.
Consistency: firm, slightly compressible.
Surface: granular to verrucose. In larger specimens ridges separated by deep, narrow, fissures.
Oscula: 1 - 4 mm, flush with surface or sunk into furrows, or on broad, volcano-like elevations, these often furrowed.
Color: Not given.
Spicules: Megascleres:
(1) Acanthostyles:
79 -101-102- 145 um.
x 5 -9- 13 um.
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(2) Acanthostyles:
145 -234-266- 339 um.
x 12 -15- 17 um.
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(3) Acanthostyles:
321 -339-374 - 412 um.
x 19 -22- 24 um.
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(4) Strongyles - Subtylotes with microspined tips:
164 -216-218-280 um.
x 4 -5-7 um.
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Microscleres:
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(1) Palmate Isochelae:
16 -20-21- 25 um.
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(2) Toxa with high arch:
7 -85-119- 193 um.
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(3) Toxa with low arch:
8 -9- 13 um.
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Skeleton:
Ectosome: Masses of Strongyles more or less parallel with surface, these penetrated by the tips of tracts.
Choanosome: Confused but with thick, multispicular tracts of large Acanthostyles, braced by single to few Acanthostyles. Tracts echinated by smaller Acanthostyles.
Distribution: Central California.
Depth: Deep water.
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[B]
Acanthostyles usually 2 size classes; may be 1.
Toxa ABSENT.
|
| | Iophon rayae
(Bakus, 1966) |
Sponge:
Thin, encrusting, amorphous.
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