[A]
Acanthose spicules arranged vertically with heads embedded in basal spongin.
Encrusting < 1.0 mm thick.
Color: Yellow.
Acanthostyles to 470 μm. |
(de Laubenfels, 1930) |
Sponge:
Encrusting, thin < 1.0 mm thick.
Surface: superficially smooth, slimy.
Oscula: punctiform, about 100 μm.
Color: Alive: Rich yellow. Preserved: Drab.
Spicules: Megascleres:
(1) Acanthostyles: sparsely spined:
135 - 470 um.
x 6.5 -14.5 um.
(2) Acanthostyles:
92 - 100 um.
x 6.0 - 11.0 um.
(3) Style- Subtylostyles with minutely microspined heads:
180 - 260 um.
x 3.0 - 5.0 um.
Microscleres:
(1) Isochelae:
3.0 -14 um.
Skeleton:
Ectosome: Vague.
Choanosome: With acanthose spicules arranged vertically with heads embedded in basal spongin.
Distribution: Southern and central California.
Depth: Intertidal to subtidal, 34 m.
Note: This species can be confused with Clathria (Microciona) brepha see page 26A. Was Eurypon asodes.
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[B]
Acanthose spicules echinating vertical branching spongin fibers.
Encrusting to 4.0 mm thick.
Color: bright to deep scarlet.
Acanthose megascleres to 509 μm, often markedly curved.
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| | Clathria (Microciona) sp.
Hartman, 1975 |
Sponge:
Encrusting to 4.0 mm..
Color: Alive: Bright to deep scarlet.
Spicules: Megascleres:
(1) Acanthostyles-well spined:
80 - 158- 182 um.
x 5.0 - 13.0 um.
(2)Acanthostyles-less spination than smaller size class;often markedly curved:
303 - 418 - 509 um.
x 15.0-25.0 um.
(3)Styles - Tylo- or Subtylostyles:
125 - 270 um.
x 3.5 - 7.5 um.
heads microspined
Microscleres:
(1)Palmate Isochelae:
10 - 17 um.
Skeleton:
Acanthose megascleres form echinated vertical tracts. Other spicules arranged vertically or at random on surface and associated with tracts.
Distribution: Central California.
Depth: Intertidal to subtidal.
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