Species Overview

089 068
KeyPics/cc089A.jpg

Chalinula ecbasis

Synonyms:
Haliclona ecbasis de Laubenfels, 1930.

SPONGE:
Shape: Lobate; ramose or digitate
Size_Height: --10 cm
Size_Diameter: -1- cm
Color_Alive: Buff
HABITAT:
Benthic Region: Intertidal
Distribution: Southern California and ? Northern California

CHARACTERS

Surface:
Texture: superficially hirsute
Pores:
Distribution: all over surface
Shape: irregular
Diameter: 60-200]- Ám
Oscula:
Density: few
Distribution: apical or along sides of tubes
Diameter: 2-5]- mm
Skeleton:
Composition: Silicate
Architecture: fibrous reticulation with polygonal meshes
Ectosome:
Dermal Membrane: vague with thin dermal membrane and no spicules
Choanosome:
Architecture: fibrous reticulation with polygonal meshes 75 Ám in diameter. Spicules otherwise in confusion. Ascending and transverse fibers 10-20 Ám in diameter;cored by 4-7 rows of spicules although the amount of spongin varies greatly
Megasclere:
Shape: Oxeas
Length: -100- Ám
Width: -5- Ám
Megasclere:
Shape: Oxea (Fell )
Length: 84-(119|133)-145 Ám