Species Overview

061 016
KeyPics/cc061A.jpg

Artemisina archegona Ristau, 1978.

Synonyms:

SPONGE:
Shape: Thin encrusting
Color_Alive: bright orange
Color_ Preserved: White
Consistency: Firm slightly compressible
HABITAT:
Benthic Region: Marine: Subtidal
Depth: 5 -- 15 m m
Distribution: Southern California to Central California

CHARACTERS

Surface:
Texture: minutely hispid
Skeleton:
Composition: Silicate
Architecture: Vague tracts of Styles running towards surface. Tracts connected by single or multiple style tracts
Oscula:
Diameter: 0.6]-- mm
Rim: situated in surficial depressions
Choanosome:
Architecture: Vague tracts of Styles running towards surface. Tracts connected by single or multiple style tracts
Megasclere:
Shape: Styles-often bent near head end
Length: 185 --240 Ám
Width: 7 --20 Ám
Megasclere:
Shape: Subtylostyles
Length: 120 --340 Ám
Width: - 2.5 - Ám
Microsclere:
Shape: Palmate Isochelae
Length: 18 --21 Ám
Microsclere:
Shape: Toxas
Length: 105 --520 Ám
Width: 0.5 --1.0 Ám
Microsclere:
Shape: Toxiform Oxeas
Length: 450 --800 Ám
Width: 3 --6 Ám