Species Overview

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KeyPics/cc247A.jpg

Farrea mexicana Wilson, 1904.

Synonyms:

DEFINING CHARACTERS:
Shaft of Anchorate Clavule with a few large thorns.
Terminal claws of Anchorate Clavules NOT twisted in a spiral around shaft.
SPONGE:
Shape: A network of branching and anastomosing tubes
Size_diameter_tubes: -8- mm
Color: not reported
HABITAT:
Benthic Region: Marine: Deep water.
Distribution: Southern California.

CHARACTERS

Skeleton:
Composition: Silicate (hexactin)
Architecture: Rigid framework is one layer thick at margins.
Megasclere:
Shape: Uncinates
Length: 910 -1510- 2960 Ám
Mesosclere:
Shape: Pentactins
Length-tangential ray: 180 - 255 - 327 Ám
Length-proximal ray: 151 -212- 284 Ám
Mesosclere:
Shape: Pileate Clavules
Length: 220 - 297- 378 Ám
Mesosclere:
Shape: Anchorate Clavules
Length: 225 - 355- 622 Ám
Microsclere:
Shape: Oxyhexasters
Diameter: 97 -126- 165 Ám