[A]
Isochelae normal, palmate.
Toxas present, size to 100 μm.
Style: 180-215 μm. |
| | Antho (Acarnia) karykina
(de Laubenfels, 1927) |
Sponge:
Encrusting to 4.0 cm thick.
Consistency: firm, woody.
Surface: level, superficially hispid.
Oscula: sometimes with slightly raised collars, 1 - 2 mm in diameter.
Color: Alive: Scarlet to salmon-red or dull salmon orange.
Spicules: Megascleres:
(1) Thick Styles - Sub-tylostyles with heads smooth or microspined:
180 - 215 um.
x 15 - 17 um.
(2) Thin Tylostyles - Subtylostyles:
145 - 200 um.
x 3.3 - 3.7 um.
(3) Tylotes with heads microspined:
175 - 240 um.
x 17 - 24 um.
Microscleres:
(1) Palmate Isochelae:
10 - 20 um.
(2) Toxas:
15 - 100 um.
Skeleton:
Ectosome: Vague with Tylostyles-Subtylostyles near the surface.
Choanosome: Ascending tracts of Styles that penetrate the surface. Tracts interconnected by Tylotes.
Distribution: Southern to Northern California.
Depth: Intertidal to subtidal.
Note: Was Plocamia karykina.
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[B]
Isochelae with central wing-plate on shaft.
Toxas may be present, if so, to 63 μm.
Styles: 168 - 600 μm.
|
| | Antho (Acarnia) lambei
(Burton, 1935) |
Sponge:
Thinly encrusting up to 1 mm thick.
Color: Alive: Orange.
Spicules: Megascleres:
(1)Styles - Subtylostyles with microspined heads:
168 - 600 um.
x 8 - 24 um.
(2)Subtylostyles - Tylostyles:
94 - 270 um.
x 3 - 6 um.
(3)Tylostyles:
98 - 196 um.
x 6 - 14 um.
(4)Tylotes with microspined heads:
66 - 137 um.
x 5 - 12 um.
Microscleres:
(1)Palmate Isochelae:
10 -16 um.
(2)Toxas (may be absent):
31 - 63 um.
Skeleton:
Regular reticulation of Tylotes supporting a dermal arrangement of Styles and Tylostyles pointing outward..
Distribution: Central to Northern California.
Depth: Intertidal to subtidal.
Note: Was Heteroclathria lambei.
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