Species Overview

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KeyPics/cc024A.jpg

Clathria (Wilsonella) pseudonapya de Laubenfels, 1930.

Synonyms:
Clathriopsamma pseudongpya (de Laubenfels, 1930)

SPONGE:
Shape: Encrusting
Size_Thickness: --1 cm
Color_Alive: Yellow
Color_Preserved: Pale drab
Consistency: fragile
HABITAT:
Benthic Region: Marine: Intertidal to Subtidal
Distribution: Southern California to Central California

CHARACTERS

Surface:
Texture: superficially smooth
Contour: irregularly scattered conules 1 mm high
Oscula:
Visible: Not evident
Ectosome:
Dermal membrane: 50 Ám; thick
Architecture: tangential Tylostyles
Spicules: Tylostyles
Choanosome:
Architecture: Mostly sand with scattered tracts or bundles of Tylostyles- points up- with echinating Acanthostyles
Pores:
Visible: Not evident
Megasclere:
Shape: Acanthostyles
Length: 60 - -85 Ám
Width: 5.0 - -8.0 Ám
Megasclere:
Shape: Acanthostyle
Length: 125 - -290 Ám
Width: 7.0 - -13.0 Ám
Megasclere:
Shape: Tylostyle with microspined heads
Length: 230 - 365 - 410 Ám
Width:
Microsclere:
Shape: Toxa
Length: 40--72 Ám
Microsclere:
Shape: Microxeas
Length: 80--100 Ám
Frequency: May have them
Skeleton:
Composition: Silicate