Species Overview

Rhabdocalyptus nodulosus Schulze, 1899.

DEFINING CHARACTERS:

Some hypodermal pentactins thorned
Discoctaster diameter >200 µm.

SPONGE:

Shape: Tubular; thin-walled; with veil of Diactins and Pentactins.
Color: Not recorded.

HABITAT:

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

Skeleton:

Composition: Silicate (hexactin)
Architecture: Entirely composed of loose spicules.

Megasclere:

Shape: Principal Diactins
Length: 8.70-17.10-26.20 mm

Megasclere:

Shape: Thick Diactins
Length: 16.00-23.00-30.00 mm

Megasclere:

Shape: Hypodermal Pentactins thorned
Length-tangential ray: 5.00-5.70-6.50 mm

Mesosclere:

Shape: Dermal Stauractins
Length-ray: 84 -119- 179 µ

Mesosclere:

Shape: Dermal Pentactins
Length-tangential ray: 71 -149- 199 µ
Length-proximal ray: 66 -127- 200 µ

Mesosclere:

Shape: Gastral Hexactins
Length-ray: 101 -136- 195 µ

Microsclere:

Shape: Oxyhexactins
Diameter: 65 -104- 144 µ

Microsclere:

Shape: Oxyhemihexasters
Diameter: 71 -118- 146 µ

Microsclere:

Shape: Discoctasters
Diameter: 177 -267- 331 µ