[A]
Megascleres: Styles-Subtylostyles; These distinctly wider at center often with narrow "handle" at head end.
Skeleton, Plumo-reticulate, dendritic. |
(Lambe, 1894) |
Sponge:
Amorphous, massive. Encrusting on Chlamas spp. to free-living.
Consistency: Spongy, Compressible.
Surface: Smooth, felty to the touch.
Oscula: when present, to 4 mm diameter, may be on conules.
Color: Alive: Light yellow, gray, light brown to violet.
Spicules: Megascleres:
(1) Styles-Subtylostyles:
242 -320-374 - 461 um.
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Microscleres:
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(1) Sigmas -may be rare:
19 -41-57- 89 um.
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(2) Anisochelae:
14 -16-17- 29 um.
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(3) Anisochelae:
22 -34-35- 48 um.
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(4) Anisochelae:
51 -66-81- 92 um.
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(5) Raphides:
29 -66- 111 um.
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Skeleton:
Ectosome: Thin membrane with regular reticulation of 3-6 spicules forming triangular or quadrangular spaces parallel to surface.
Choanosome of parallel often curved and branching tracts of styles (Plumo-reticulate, dendritic).
Distribution: Southern to Northern California.
Depth: Intertidal to deep water, 380 m.
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Megascleres: Styles: equal width until point and no narrow "handle"at head end.
Skeleton: Ladder-like or nearly so.
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