[A]
Styles: 268 - 499 - 593 μm.
Arcuate Isochelae of 2 size classes.
Sigmas of 1 size class. |
Lee, 2001 |
Sponge:
Thick, massive, somewhat domed -bulbous 23 mm thick.
Consistency: compressible.
Surface: superficially smooth. Some areas smooth others layered with overlapping thin, fine plates.
Oscula: difficult to discern.
Color: Alive: Unknown. Preserved: Light tan.
Spicules: Megascleres:
(1) Styles-Subtylostyles:
268 -499- 593 um.
x 18 -20- 22 um.
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(2) Subtylotes:
309 - 372- 540 um.
x 6 -8- 9 um.
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Microscleres:
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(1) Arcuate Isochelae:
19 -23- 29 um.
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(2) Arcuate Isochelae:
36 -44- 50 um.
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(3) Sigmas:
45 -60- 66 um.
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(4) Forceps:
9 -50- 87 um.
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Skeleton:
Ectosome: Removeable thin layer of packed Subtylotes. Sometimes worn away.
Choanosome: Ladder-like reticulation with tracts of Subtylostyles supporting a loose reticulation. Ladder-like skeleton less obvious near surface where it may bend parallel to surface.
Distribution: Southern California, Catalina Basin.
Depth: Deep water.
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[B]
Styles: 533 -601- 697 μm.
Arcuate Isochelae of 1 size class.
Sigmas of 2 size classes.
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(de Laubenfels, 1930) |
Sponge:
Globular, massive to 3.5 cm high.
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