[A]
Microscleres are Palmate Isochelae and Toxas. |
(Green and Bakus, 1994) |
Sponge:
Small, encrusting pieces to 0.2 mm thick.
Consistency: fragile.
Color: Tan, ?Alive.
Spicules: Megascleres:
(1) Subtylostyles-with slightly acanthose heads:
290 -517- 870 um.
x 6.0 -9.0- 13.0 um.
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(2) Styles-with finely acanthose heads and shaft:
640 -696- 750 um.
x 23 -25- 26 um.
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(3) Acanthostyles:
120 -138- 150 um.
x 10 -12- 16 um.
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(4) Oxeas:
1450 -1746- 2250 um.
x 5.0 - 6.0- 9.0 um.
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Microscleres:
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(1) Palmate Isochelae:
16 -16- 18 um.
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(2) Toxas:
100 -374- 900 um.
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Skeleton:
Authors state it was difficult to determine due to damage. Multispicular tracts of long diactins incorporated within plumose skeleton of monactins.
Distribution: Southern California, Santa Maria Basin.
Depth: Deep water, 92-100 m.
Note: Originally described from tiny, damaged fragments which included the very large Oxeas listed above. These may be a contaminant. Note also that in the same publication the authors described Hymedesmia (Holorodesmia) sp. A which has now been synonymized with Clathria (Microciona) sp.A. As a result, both of these are represented as sp.A. To avoid confusion we have designated these two species as sp.A-1 and species A-2.
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[B]
Microscleres are Palmate Isochelae ONLY.
No Toxas.
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sp. A-2 (Green & Bakus, 1994) |
Sponge:
Thin, encrusting less than 1 mm thick.
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