[A]
Megascleres include Oxeas. |
| | Topsentia fernaldi
(Sim & Bakus, 1986) |
Sponge:
Thick; encrusting or massive.
Consistency: firm, friable.
Surface: smooth but strongly and irregularly undulated.
Oscula: sparse, to 6 mm in diameter.
Color: Alive: Yellow, Preserved: Beige.
Spicules: Megascleres:
(1) Oxeas:
170 -239- 350 um.
x 4 -7- 10 um.
(2) Oxeas -often curved:
750 -813- 920 um.
x 12 -26- 30 um.
(3) Styles (rare):
400 -708- 920 um.
x 15 -25- 35 um.
(4) Strongyles (rare):
400 -541- 680 um.
x 20 -25- 30 um.
Skeleton:
Dense, random distribution of spicules.
Distribution: Santa Catalina Id., Southern California.
Depth: Deep water, 46 m.
Note: Formerly Oxeostylon fernaldi. Systema places Oxeostilon in Spongosorites Recently moved to Topsentia.
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Megascleres WITHOUT Oxeas.
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