Species Overview

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KeyPics/cc262A.jpg

Rhabdocalyptus nodulosus Schulze, 1899.

Synonyms:

DEFINING CHARACTERS:
Some hypodermal pentactins thorned
Discoctaster diameter >200 Ám.
SPONGE:
Shape: Tubular; thin-walled; with veil of Diactins and Pentactins.
Color: Not recorded.
HABITAT:
Benthic Region: Marine: Deep water
Distribution: Southern California.

CHARACTERS

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 Ám
Mesosclere:
Shape: Dermal Pentactins
Length-tangential ray: 71 -149- 199 Ám
Length-proximal ray: 66 -127- 200 Ám
Mesosclere:
Shape: Gastral Hexactins
Length-ray: 101 -136- 195 Ám
Microsclere:
Shape: Oxyhexactins
Diameter: 65 -104- 144 Ám
Microsclere:
Shape: Oxyhemihexasters
Diameter: 71 -118- 146 Ám
Microsclere:
Shape: Discoctasters
Diameter: 177 -267- 331 Ám