[A]
Terminal claws of Anchorate Clavules twisted in a spiral around the shaft. |
| | Farrea convolvulus
Schulze, 1899 |
Sponge:
A network of branching and anastomosing tubes 10-15 mm in diameter.
Color: Not reported.
Spicules: Megascleres:
(1) *Uncinates:
Mesoscleres:
(1) Pentactins:
(2) Pileate Clavule:
200 - 250 um.
(3) Anchorate Clavule:
Microscleres:
(1) Oxyhexactins:
(2) Oxyhexasters:
Skeleton:
Framework is one layer thick at margins.
Distribution: Southern California.
Depth: Deep water.
Note: Known only from 1 or 2 specimens (?) collected west of San Diego.
* Schulze (1899) gave only one measurement; specimens were mostly macerated.
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[B]
Terminal claws of Anchorate Clavules NOT twisted in a spiral around the shaft.
|
| | Farrea mexicana
Wilson, 1904 |
Sponge:
A network of branching and anastomosing tubes 8 mm in diameter.
Color: Not reported.
Spicules: Megascleres:
(1)Uncinates:
0.91 -1.51- 2.96 mm.
Mesoscleres:
(1) Pentactins (tangential ray length):
180 - 255 - 327 um.
proximal ray length): 151 -212- 284 um.
(2) Pileate Clavules:
220 - 297- 378 um.
(3) Anchorate Clavules:
225 - 355- 622 um.
Microscleres:
(1)Oxyhexasters (diameter):
97 -126- 165 um.
Skeleton:
Framework is one layer thick at margins.
Distribution: Southern California.
Depth: Deep water.
Note: Included under this name is the preoccupied species Farrea aculeata, Schulze, 1899.
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