[A]
Sponge sac-shaped, laterally compressed to 8 mm wide. |
| | Grantia sp.
Hartman, 1975 |
Sponge:
Sac-shaped. Laterally compressed up to 8 mm wide.
Oscula: no oscular fringe.
Color: White ?Alive.
Spicules: Megascleres:
(1) Cortical Triradiates:
(2) Endosomal Triradiates-Quadriradiate:
(3) Oxeas (tufts at surface):
No measurements given.
Skeleton:
Syconoid.Skeleton: A dermal cortical skeleton of tangentially arranged Triradiates with tufts of oxeas extending beyond the surface and a tangential layer of endosomal Triradiates and Quadriradiates.
Distribution: Central California.
Depth: Intertidal to subtidal.
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[B]
Sponge encrusting, amorphous.
|
| | Leucandra losangelensis
(de Laubenfels, 1930) |
Sponge:
Encrusting, amorphous to 3 cm thick.
Surface: convoluted, smooth, lumpy, or with ridges.
Oscula: numerous, oval, 1-3 mm.
Color: Alive: White to pale brown.
Spicules: Megascleres:
(1)Triaxons rays:
100 - 426- 850 um.
(2)Sagittal Triaxons:
60 -137- 250 um.
(3)Quadriradiate :
(paired rays) 180 - 210 um.
(basal ray) 100 um.
(apical ray) 20 - 40 um.
(4)Oxeas:
80 -93- 100 um.
Microscleres:
(1)Microspined cylinders:
25 - 60 um.
Skeleton:
Ectosome: Fleshy dermal membrane over a non-cellular layer.
Choanosome: Leuconoid.
Distribution: Southern California.
Depth: Intertidal to deep water.
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