[A]
Microscleres include Bipocillates. |
| | Iophon lamella
Wilson, 1904 [as Iophon cheliferum californianum of de Laubenfels, 1932] |
Sponge:
Amorphous.
Consistency: fragile.
Surface: very lumpy and irregular.
Oscula: irregular, 1 mm in diameter.
Color: Preserved: Dark brown.
Spicules: Megascleres:
(1) Acanthostyles:
230 -320- 382 um.
x 12 - 13 um.
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(2) Tylotes- Subtylotes with microspined heads:
235 - 390 um.
x 6 - 8 um.
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(3) Styles:
235 - 280 um.
x 3 um.
(may not be present or may be immature).
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Microscleres:
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(1) Palmate Anisochelae:
15 - 40 um.
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(2) Bipocillates:
14 - 18 um.
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Skeleton:
Ectosome: Fleshy dermal membrane with Tylotes bunched at or near surface.
Choanosome: Dense isodictyal reticulation of Acanthostyles.
Distribution: Southern to ? Northern California.
Depth: Deep water.
Note: Present work shows that Iophon cheliferum californiana de Laubenfels, 1932 = Iophon lamella Wilson, 1904. I. pattersoni sensu Bakus and I. cheliferum sensu Lambe are the same and possibly an undescribed species. See page 186.
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Microscleres WITHOUT Bipocillates.
Anchorate Isochelae present.
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