Species Overview

Sigmadocia textapatina (de Laubenfels, 1926).

SPONGE:

Shape: concave-convex lamellate
Size_thickness: to 1 cm
Size_Diameter: --12] cm
Color_Preserved: Pale drab
Consistency: Firm- brittle

HABITAT:

Benthic Region: Marine: Deep water
Depth: -720- m
Distribution: Southern California to Central California

Surface:

Texture: superficially smooth

Oscula:

Distribution: on concave side only
Shape: circular or oval

Ectosome:

Architecture: Detachable -optically evident confused tangential reticulation of large spicules; the polygonal meshes 0.5 - 0.8 µm in diameter.

Choanosome:

Architecture: a somewhat confused isodictyal reticulation with spongin nodes-but with tracts showing a tendency to form rounded meshes

Skeleton:

Composition: Silicate

Megasclere:

Shape: Oxeas
Length: 340 --460 µ
Width: 19 -- 25 µ

Microsclere:

Shape: Sigmas
Length: 50 - -123 µ