Species Overview

Artemisina archegona Ristau, 1978.

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

Surface:

Texture: minutely hispid

Skeleton:

Composition: Silicate
Architecture: Vague tracts of Styles running towards surface. Tracts connected by single or multiple style tracts

Oscula:

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 µ
Width: 7 --20 µ

Megasclere:

Shape: Subtylostyles
Length: 120 --340 µ
Width: - 2.5 - µ

Microsclere:

Shape: Palmate Isochelae
Length: 18 --21 µ

Microsclere:

Shape: Toxas
Length: 105 --520 µ
Width: 0.5 --1.0 µ

Microsclere:

Shape: Toxiform Oxeas
Length: 450 --800 µ
Width: 3 --6 µ