[A]
Toxiform Oxeas (400 - 800 μm) present. |
| | Artemisina archegona
Ristau, 1978 |
Sponge:
Thin encrusting.
Consistency: firm, slightly compressible.
Surface: minutely hispid.
Oscula: 0.6 mm diameter, situated in surficial depressions.
Color: Alive: Bright orange. Preserved: White.
Spicules: Megascleres:
(1) Styles-often bent near head end:
185 - 240 um.
x 7 - 20 um.
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(2) Subtylostyles with microspined heads:
120 - 340 um.
x 2.5 um.
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Microscleres:
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(1) Palmate Isochelae:
18 - 21 um.
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(2) Toxas with low compressed arch; straight to irregularly bent::
105 - 520 um.
x 0.5 - 1.0 um.
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(3) Toxiform Oxeas:
450 - 800 um.
x 3 - 6 um.
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Skeleton:
Vague tracts of Styles running towards surface. Tracts connected by single or multiple style tracts.
Distribution: Southern to Central California.
Depth: Subtidal: 5 - 15 m.
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NO Toxiform Oxeas present. Regular toxas (26 - 165 μm) may be present.
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