Species Overview

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KeyPics/cc204A.jpg

Penares cortius de Laubenfels, 1930.

Synonyms:

SPONGE:
Shape: Encrusting to massive
Size_Thickness: --4 cm
Color_Alive: Tan; grey-brown; grey; dark-brown
Consistency: Tough; Leathery
HABITAT:
BenthicRegion: Marine: Intertidal to subtidal
Distribution: Southern California to Northern California

CHARACTERS

Surface:
Texture: Superficially smooth
Contour: minutely punctiform
Oscula:
Shape: Oval
Diameter: 1--2.5 mm
Skeleton:
Composition: Silicate
Architecture: Confused with traces of tracts and Oxyspherasters
Ectosome:
Architecture: Densely felted mat of Micro-strongyles and clads of Dichotriaenes- 200 Ám thick
Choanosome:
Architecture: Confused with traces of tracts and Oxyspherasters
Megasclere:
Shape: Oxeas
Length: 400 -- 1000 Ám
Length: 10--25 Ám
Megasclere:
Shape: Dichotriaenes
Length-Rhabds: --400 Ám
Width-Rhabds: -50- Ám
Length-Clads: -310- Ám
Width-Clads: -50- Ám
Microsclere:
Shape: Microstrongyles (with two bends and often faintly centrotylote)
Length: 50 - -160 Ám
Microsclere:
Shape: Oxyspherasters
Length: 7 -- 25 Ám