Species Overview

Aphrocallistes vastus Schulze, 1886.

DEFINING CHARACTERS:

Dermalia = Pinular Hexactins with distal ray long/spindle-shaped/sharp.
Main microscleres are stout Oxyhexasters

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SPONGE:

Shape: Infundibuliform with flattened mitten-form lateral projections.
Color_Alive: White to Golden.

HABITAT:

Benthic Region: Marine:Deep water.
Distribution: Throughout California

Skeleton:

Composition: Silicate (hexactin)
Architecture: Rigid framework penetrated by diarhysial channels.

Megasclere:

Shape: Uncinates
Length: 890 -1740- 3440 µ

Megasclere:

Shape: Diactins
Length: 262 -465- 722 µ

Megasclere:

Shape: Pinular Hexactins
Length-distal ray: 109 -153- 185 µ
Length-tangential ray: 38 -104- 142 µ
Length-proximal ray: 53 -100- 232 µ

Mesosclere:

Shape: Hexactins
Length-ray: 85 -128- 201 µ

Mesosclere:

Shape: Scopules
Length: 262 -359- 497 µ

Microsclere:

Shape: Oxyhexasters
Diameter: 126 -196- 252 µ

Microsclere:

Shape: Discohexasters 1
Diameter: 30 -40- 56 µ

Microsclere:

Shape: Discohexasters 2
Diameter: 16 -22- 25 µ