Species Overview

129
KeyPics/cc178A.jpg

Myxilla (Myxilla) agennes de Laubenfels, 1930.

Synonyms:

SPONGE:
Shape: Thick encrusting to amorphous
Size_Thickness: --2.5 cm
Color_Preserved: Pale drab
HABITAT:
Benthic Region: Marine: Intertidal to subtidal
Distribution: Southern California to Central California

CHARACTERS

Surface:
Contour: superficially very lumpy
Ectosome:
Dermal membrane: with few if any spicules; often missing.
Architecture: Below vertical tufts of upright Tornotes
Choanosome:
Architecture: Loose reticulation of 2-5 Styles-Acanthostyles. Tracts arise and branch near the surface below Tornotes
Skeleton:
Composition: Silicate
Architecture: Loose reticulation of 2-5 Styles-Acanthostyles. Tracts arise and branch near the surface below Tornotes
Megasclere:
Shape: Styles-Acanthostyles
Length: 145 -(165|197)- 227 Ám
Width: 5 -(7|10)- 11 Ám
Megasclere:
Shape: Tornotes
Length: 99 -(148|162)- 186 Ám
Width: 3 -5- 7 Ám
Microsclere:
Shape: Sigmas
Length: 9 -(15|21)- 28 Ám
Microsclere:
Shape: Sigmas
Length: 25 -(34|37)- 42 Ám
Microsclere:
Shape: Anchorate Isochelae: 14 -(20|24)- 30