[A]
Placochelae and Biplacochelae present. |
| | Guitarra abbotti
Lee, 1987 |
Sponge:
Encrusting to massive.
Surface: smooth to minutely granular with deep grooves which delineate round or oblong lobes, variable.
Oscula: 1.0-3.5 mm, in clusters, often with collar.
Color: Alive: Dark chocolate brown - reddish brown. Preserved: Beige, mottled with grey.
Spicules: Megascleres:
(1) Styles:
249 -317-341- 396 um.
x 7.2 -7.9 um.
Microscleres:
(1) Placochelae:
27-36-39- 53 um.
(2) Placochelae:
64 -81-87- 100 um.
(3) Biplacochelae:
23 -32-39- 46 um.
(4) Bipocillae:
3 -7-9- 13 um.
Skeleton:
Ectosome: Dermal membrane 4 - 6 mm,difficult to see. Penetrated by spicule brushes from ectosomal columns of Styles 20-30 spicules thick. Columns connected by loose bundles of 3-6 megascleres.
Choanosome: a regular isotropic reticulation of bundles of megascleres, 2-10 spicules thick.
Distribution: Central California.
Depth: Subtidal to deep water, 26 to 46 m.
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NO Placochelae or Biplacochelae present.
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