[A]
Strongyles <180 μm. Ends rounded to mucronate. |
| | Neopetrosia problematica
(de Laubenfels 1930) |
Sponge:
Massive to lobate to 1 cm high.
Consistency: Stiff, slightly compressible.
Surface: Superficially smooth.
Oscula: round, flush, 2 mm diameter.
Color: Alive: Pale drab, dull brown.
Spicules: Megascleres:
(1) Strongyles - Ends rounded to mucronate:
115 - 170 um.
x 6 - 10 um.
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(2) Oxeas:
80 -140 um.
x 2 um.
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Skeleton:
Ectosome: A dermal membrane, fleshy with spicules strewn irregularly.
Choanosome: With spicules in confusion.
Distribution: Central, Northern California.
Depth: Subtidal, to 15 m.
Note: Formerly placed in Prianos by de Laubenfels. Prianos was synonymized with Haliclona (Reniera) by de Weerdt, 2002. However, de Laubenfels was equivocal in placing this species in Prianos. It appears not to have an isotropic choanosomal skeleton (characteristic of Haplosclerina) and an ectosomal skeleton un-differentiated from the choanosomal skeleton. This species now belongs to Neopetrosia.
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[B]
Subtylotes to Strongyles > 180 μm. Ends microspined.
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(de Laubenfels, 1930) |
Sponge:
Encrusting to 12 mm thick.
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