Species Overview

Geodia gibberosa Lamarck, 1815 [of Sim & Bakus, 1986].

SPONGE:

Shape: Massive to lobate;with fist-like projections
Color_Alive: Dirty-white to dark brown

HABITAT:

Benthic Region: Marine: Subtidal
Distribution: Southern California

Surface:

Note: Sieve areas NOT noted by Sim and Bakus

Skeleton:

Composition: Silicate
Architecture: Confused interior with dispersed Spherasters and Oxyasters

Ectosome:

Architecture: Cortical layer of Sterrasters covered by a subectodermal crust of Spherasters

Choanosome:

Architecture: Confused interior with dispersed Spherasters and Oxyasters

Megasclere:

Shape: Oxeas/rare Styles
Length: 1.30-1.54-2.00 mm
Width: 15 -26- 40 µ

Megasclere:

Shape: Oxeas/Styles
Length: 140 -187- 220 µ
Width: 2 -4- 8 µ

Megasclere:

Shape: Plagiotriaenes
Length-Rhabds: 650 -975- 1320 µ
Width-Rhabds: 20 -31- 50 µ

Megasclere:

Shape: Plagiotriaenes
Length-Clads: 80 -144 - 200 µ

Microsclere:

Shape: Sterrasters
Diameter: 40 -52- 60 µ

Microsclere:

Shape: Oxyasters
Diameter: 17 -22- 30 µ

Microsclere:

Shape: Strongylospherasters
Diameter: 5 -7- 10 µ