[A]
Sigma-like microscleres. May be juvenile anisochelae with low arch/straight back. Anisochelae of 1 size class. |
(Lambe, 1894) |
Sponge:
Encrusting generally small.
Consistency: Soft, fragile, spongy.
Surface: hispid. Soft to the touch.
Oscula: 1.0 - 2.5 mm elevated to 1 mm or more.
Color: Alive: Light Yellow, buff, tan, gold beige to bronze.
Spicules: Megascleres:
(1) Styles:
170 -210-269- 412 um.
x 5 -7- 13 um.
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Microscleres:
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(1) Sigmas: may have wings and look like juvenile Isochelae. Reports from pacific Northwest show no wings:
23 -27-52- 59 um.
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(2) Anisochelae:
26 -31-50- 68 um.
May occur in 2 size classes (Pacific Northwest-2 size classes -about 24 μm. and 43-46 μm.)
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Skeleton:
Tracts of 2 - 6 Styles radiating to surface with lateral connections forming loose ladder-like skeleton.
Distribution: Central, Northern California.
Depth: Intertidal to deep water, 153 m.
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Sigmas: Either normal with moderate arch/curved back OR unusual with a thickening at the center of the shaft. Anisochelae of 1 or 2 size classes
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