[A]
Megascleres = Oxeas, Styles, Plagiotriaenes.
Color: dirty white. |
| | Geodia gibberosa
Lamarck, 1815 [of Sim & Bakus, 1986] |
Sponge:
Massive to lobate, with fist-like projections. Sieve areas not noted by Sim and Bakus.
Color: Alive: Dirty-white to dark brown.
Spicules: Megascleres:
(1) Oxeas/rare Styles:
1300 -1540- 2000 um.
x 15 -26- 40 um.
(2) Oxeas/Styles:
140 -187- 220 um.
x 2 -4- 8 um.
(3) Plagiotriaenes:
Rhabds 650 -975- 1320 um.
x 20 -31- 50 um.
(4) Plagiotriaenes:
Clads 80 -144 - 200 um.
Microscleres:
(1) Sterrasters:
40 -52- 60 um.
(2) Oxyasters:
17 -22- 30 um.
(3) Euasters oxeote (sometimes spined):
up to 64 um.
Skeleton:
No information given by Sim & Bakus. If this is G. gibberosa then it should have a cortical layer of Sterrasters covered by a subectodermal crust of Spherasters. Chonanosome: A confused interior with dispersed Spherasters and Oxyasters.
Distribution: Southern California.
Depth: Subtidal.
Note: Spicule drawings stylized. The Sim and Bakus material is not available for study.
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[B]
Megascleres = Oxeas, Plagiotriaenes, -diaenes, -monaenes.
Color: white-rufous-brown; interior yellow.
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| | Sidonops angulata
Lendenfeld, 1910 |
Sponge:
Tuberous with digitate processes.
Surface: spicule fur covers surface.
Oscula: round, 0.25-1 mm diameter,usually in groups and often on raised processes. Sieve plates present.
Color: Preserved: white-rufous-brown; interior dirty yellow.
Spicules: Megascleres:
(1)Oxeas: Dermal:
9000 um.
x 40 um.
(2)Oxeas: Endosomal:
5600 um.
x 105 um.
(3)Plagiotriaenes:
Rhabds to 4000 um.
x 110 um.
Clads often reduced to diaenes or monaenes.
(4)Anatriaenes (often absent):
Rhabds 9000 um.
x 39 um.
Microscleres:
(1)Sterrasters:
122 - 170 um.
x 87 - 97 um.
(2)Spherasters (spined tornote rays):
21 - 28 um.
(3)Euasters oxeote (sometimes spined):
64 um.
Skeleton:
Ectosome: Cortex to 1-2 mm thick, packed with Sterrasters.
Distribution: Southern to Central California.
Depth: Deep water.
Note: Three other varieties of this species were described by Lendenfeld, 1910. Review of these is necessary.
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