Species Overview

132
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Phorbas californiana (de Laubenfels, 1932).

Synonyms:
Myxilla versicolor californiana de Laubenfels, 1932.

SPONGE:
Shape: Thickly encrusting amorphous
Size_Thickness: --15 mm
Color_Preserved: Pale drab
Consistency: Fragile
Color_Alive: Drab
HABITAT:
Benthic Region: Marine: Intertidal to Subtidal
Distribution: Southern California

CHARACTERS

Oscula:
Diameter: 0.50 -- 0.75 mm
Rims: none -flush
Skeleton:
Composition: Silicate
Architecture: Isolated branched tracts of Tylostrongyles as well as scattered spicules of all kinds
Megasclere:
Shape: Style - Tylostyle
Length: 162 -(224|255)-289 Ám
Width: 2 -(4|6)-7 Ám
Megasclere:
Shape: Tylostrongyle
Length: 222 -(247|265)- 294 Ám
Width: 3 -(5|7)-10 Ám
Megasclere:
Shape: Acanthostyle
Length: 166 -(238|260)- 311 Ám
Width: 3 -6- 7 ) Ám
Surface:
Texture: superficially smooth
Contour: numerous small low profile tubercles and a few smooth ridges
Ectosome:
Dermal Membrane: Fleshy; detachable containing tangential Tylostrongyles and Acanthostyles
Choanosome:
Architecture: Isolated branched tracts of Tylostrongyles as well as scattered spicules of all kinds
Megasclere:
Shape: Subtylostyles - Tylostyles
Length: 162 -(224|255)- 289 Ám
Width: 2 -(4|6)- 7 Ám
Megasclere:
Shape: Acanthostyles
Length: 166 -(238|260)- 311 Ám
Width: 3 -6- 7 Ám
Megasclere:
Shape: Subtylostrongyles-Tylostrongyles
Length: 222 -(247|265)- 294 Ám
Length: 3 -(5|7)- 10 Ám