Species Overview

Farrea occa Bowerbank, 1862 (Carter, 1885).

DEFINING CHARACTERS:

Shaft of Anchorate Clavule smooth WITHOUT large thorns

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SPONGE:

Shape: A network of branching and anastomosing tubes
Size_diameter_tubes: 8 --20 mm
Size_thickness_wall: about 1 mm
Color_Alive?: Beige

HABITAT:

Benthic Region: Marine: Deep Water
Distribution: Central California

Skeleton:

Composition: Silicate (hexactin)
Architecture: Rigid framework one layer thick at the growing margin.

Megasclere:

Shape: Uncinates
Length: 1.07-1.90-2.35 mm

Mesosclere:

Shape: Pentactins
Length_Tangential ray: 158 -220- 280 µ
Length_proximal ray: 218 -269- 325 µ

Mesosclere:

Shape: Pileate Clavules
Length: 204 -256- 285 µ

Mesosclere:

Shape: Anchorate Clavules
Length: 213 -252- 305 µ

Microsclere:

Shape: Oxyhexasters
Diameter: 54 -68- 80 µ