Species Overview

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KeyPics/cc196A.jpg

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

Synonyms:
n. g. n. sp. B Klontz, 1989.

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.

CHARACTERS

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 Ám
Width: 8 -9- 9 Ám
Megasclere:
Shape: Acanthostyles
Length: 135 -155- 174 Ám
Width: 10 -12- 13 Ám
Megasclere:
Shape: Strongyles
Length: 137 -174- 195 Ám
Width: 3 -4- 5 Ám
Microsclere:
Shape: Arcuate Isochelae
Length: 18 -22- 31 Ám