Species Overview

264 317
KeyPics/cc264A.jpg

Rhabdocalyptus tener Schulze, 1899.

Synonyms:

DEFINING CHARACTERS:
Some hypodermal pentactins thorned
Discoctaster <110 µm.
Microdiscohexasters NOT present.

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SPONGE:
Shape: Known only from incomplete lower part; probably tube or sac-shaped.
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: 3.20-7.30-13.10 mm
Megasclere:
Shape: Thick Prostal Diactins
Length: --21000 µ
Megasclere:
Shape: Short Diactins
Length: 600 -1370- 2920 µ
Megasclere:
Shape: Hypodermal Pentactins thorned
Length-tangential ray: 1.60-2.60-4.10 mm
Length-proximal ray: 5.20-5.80-7.60 mm
Mesosclere:
Shape: Dermal Stauractins
Length-ray: 61 -89- 137 µ
Mesosclere:
Shape: Dermal Pentactins
Length-tangential ray: 68 -103- 130 µ
Length-proximal ray: 76 -112- 149 µ
Mesosclere:
Shape: Gastral Hexactins
Length-ray: 87 -157- 252 µ
Microsclere:
Shape: Oxyhexactins
Diameter: 68 -86- 104 µ
Microsclere:
Shape: Oxyhexasters and Oxyhemihexasters
Diameter: 62 -84- 119 µ
Microsclere:
Shape: Discoctaster
Diameter: 71 -85- 110 µ