[A]
Microscleres Sigmas ONLY. |
de Laubenfels, 1930 |
Sponge:
Massive 2 cm x 3 cm.
Consistency: fragile.
Surface: superficially smooth.
Oscula: not evident.
Color: Alive: Drab..
Spicules: Megascleres:
(1) Styles:
570 um.
x 16 um.
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(2) Tylotes-Subtylotes:
280 um.
x 7 um.
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Microscleres:
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(1) Sigmas:
50 - 55 um.
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Skeleton:
Ectosome: A dermal membrane, thin, detachable, fleshy. Contains many Sigmas and a few scattered tangential Tylotes-Subtylotes. Membrane supported by fascicular bundles of Tylotes to Subtylotes.
Choanosome of scattered Styles, most of which have their points directed towards the surface.
Distribution: Central California.
Depth: 700 m.
Note: Species not reported since initial description. This species is peculiar since it has no chelae. Its generic placement is confusing and must remain suspect until further review.
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Microscleres NOT Sigmas ONLY but may include Onychaetes OR Rhaphides.
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