Species Overview

Hymedesmia (Hymedesmia) sp. B Green and Bakus, 1994.

SPONGE:

Shape: Encrusting
Size_thickness: to < 0.2 mm
Color_Alive?: Tan
Consistency: Fragile

HABITAT:

Benthic Region: Marine: Deep water
Depth: 120--123 m
Distribution: Southern California; Santa Barbara Channel.

Surface:

Texture: Rough
Appearance: granular and finely hispid

Ectosome:

Spicules: Strongyles: orientation not stated.

Choanosome:

Architecture: Vertically-oriented Acanthostyles with heads buried in basal spongin
Spicules: Abundant microscleres.

Skeleton:

Composition: Silicate

Megasclere:

Shape: Acanthostyles
Length: 70 -79- 88 µ
Width: 8 -9- 9 µ

Megasclere:

Shape: Acanthostyles
Length: 135 -155- 174 µ
Width: 10 -12- 13 µ

Megasclere:

Shape: Strongyles
Length: 137 -174- 195 µ
Width: 3 -4- 5 µ

Microsclere:

Shape: Arcuate Isochelae
Length: 18 -22- 31 µ