Species Overview

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KeyPics/cc263A.jpg

Rhabdocalyptus asper Schulze, 1899.

Synonyms:

DEFINING CHARACTERS:
Some hypodermal pentactins thorned
Discoctaster diameter between 150 and 200 Ám.
SPONGE:
Shape: Known only from fragments; probably saccate with veil
Color: Not reported.
HABITAT:
Benthic Region: Marine: Deep water
Distribution: Southern California

CHARACTERS

Skeleton:
Composition: Silicate (hexactin)
Architecture: Composed entirely of loose spicules.
Megasclere:
Shape: Principal Diactins
Length: 4.90-7.50-11.30 mm
Megasclere:
Shape: Thick Prostal Diactins
Length: 30.00--40.00 mm
Megasclere:
Shape: Hypodermal Pentactins thorned
Length-tangential ray: 5.50-7.50-11.10 mm
Megasclere:
Shape: Smooth Hypodermal Pentactins
Length-tangential ray: 200 -490- 720 Ám
Length_proximal ray: 1.80-3.60-5.40 mm
Mesosclere:
Shape: Dermal Stauractins
Length-ray: 107 -135- 201 Ám
Mesosclere:
Shape: Dermal Pentactins
Length-tangential ray: 94 -184- 292 Ám
Length-proximal ray: 106 -168- 250 Ám
Mesosclere:
Shape: Gastral Hexactins
Length-ray: 94 -146- 209 Ám
Microsclere:
Shape: Oxyhexactins
Diameter: 92 -137- 171 Ám
Microsclere:
Shape: Oxy-hemihexasters
Diameter: 126 -152- 194 Ám
Microsclere:
Shape: Discoctasters
Diameter: 109 -190- 263 Ám