Species Overview

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KeyPics/cc261A.jpg

Staurocalyptus fasciculatus Schulze, 1899.

Synonyms:

DEFINING CHARACTERS:
Hypodermal Pentactins lack thorns.
Discoctaster diameter < 120 Ám.
SPONGE:
Shape: Thin-walled hollow cone without veil.
Color: not reported
HABITAT:
Benthic Region: Marine: Deep water
Distribution: Southern California and Northern California.

CHARACTERS

Skeleton:
Composition: Silicate (hexactin)
Architecture: Entirely composed of loose spicules
Megasclere:
Shape: Principal Diactins
Length: 900 -3200- 7100 Ám
Megasclere:
Shape: Thick Diactins
length: 6.90--8.00 mm
Megasclere:
Shape: Hypodermal Pentactins
Length-tangential ray: 1.40-1.90-2.50 mm
Length-proximal ray: 2.70--3.30 mm
Mesosclere:
Shape: Dermal Pentactins
Length-tangential ray: 92 -145- 198 Ám
Length-proximal ray: 75 -117- 157 Ám
Mesosclere:
Shape: Gastral Hexactins
Length-ray: 86 -119- 161 Ám
Microsclere:
Shape: Oxyhexasters to Hemioxyhexasters
Diameter: 62 -80- 96 Ám
Microsclere:
Shape: Discoctasters
Diameter: 71 -84- 97 Ám