[A]
Immature Styles look like Raphides.
No Onychaetes present. |
(de Laubenfels, 1930) |
Sponge:
Thickly encrusting to massive up to 3 cm thick and more than 3 cm. in diameter.
Consistency: spongy.
Surface: superficially smooth with numerous tubercles less than 1 μm high.
Color: Alive: Reddish-orange.
Spicules: Megascleres:
(1) Subtylostyles:
250 um.
x 11 um.
(2) Tylotes:
200 um.
x 8 um.
(3) Rhaphides ( = immature Styles that look like Rhaphide):
180 um.
x 2 um.
Skeleton:
Ectosome: A thin dermal membrane with tangentially arranged Tylotes. (originally designated as Tornotes) The dermis is underlain by upright or random Tylotes-Subtylotes which also occur interstially in the choanosome.
Choanosome with multispicular, sinuous tracts of Subtylostyles to Styles.
Distribution: Southern and Central California.
Depth: Intertidal to subtidal.
Note: The Rhaphides reported by de Laubenfels,1932, are immature styles. See page 121 A for more complete description.
|
|
NO Rhaphides.
Onychaetes present.
|
|
|