NO Subtylostyles present.
Smaller Styles with microspined heads. |
(Bakus, 1966)[See Green & Bakus, 1994 and Bakus & Green,1987]. |
Sponge:
Encrusting to 7 mm thick.
Surface: frequently roughened with tubercles and ridges.
Color: Alive: Tan, orange, red.
Spicules: Megascleres:
(1) Styles:
140 -200- 240 um.
x 2 -3- 4 um.
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(2) Styles:
222 -376- 680 um.
x 6 -9- 11 um.
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(3) Styles (microspined heads):
190 - 369- 770 um.
x 10 -12- 16 um.
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(4) Acanthostyles:
83 -130-197- 219 um.
x 5 -9- 14 um.
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(5) Acanthostrongyles:
87 -129-147- 160 um.
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Microscleres:
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(1) Rhaphides:
61 -76- 100 um.
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(2) Palmate Isochelae:
16 -21- 35 um.
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(3) Toxas:
18 -68- 229 um.
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Skeleton:
Ectosome: Dermal membrane below which are small Styles parallel or at right angles to surface.
Choanosome: Reticulation of Acanthostrongyles with echinating Acanthostyles; Styles attached to reticulation at, and penetrating surface.
Distribution: Southern to Northern California.
Depth: Intertidal to deep water.
Note: Specimens from California need review. See page 160 for details of variability.
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[B]
Subtylostyles present.
Smaller Styles and Subtylostyles with heads smooth.
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(de Laubenfels, 1927) |
Sponge:
Encrusting to 3 cm thick. .
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