Microscleres are Palmate Isochelae ONLY.
These of 1 size class or 2. If 1 size class, > 19 μm
Megascleres are Styles of only 1 kind.
No thick or thin forms. |
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[B]
Microscleres are Palmate Isochelae of 1 size class (< 19 μm) and Toxas. Toxas may be absent.
Megascleres are Styles to Subtylostyles of 2 kinds, thick and thin.
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| | Clathria (Thalysias) originalis
(de Laubenfels, 1930) |
Sponge:
Encrusting to 3 - 16 mm thick.
Consistency: stiff, slightly compressible.
Oscula: round, 2 mm diameter.
Color: Alive: Orange, red, scarlet to vermilion, salmon-pink, orange-brown, pale yellow ochre.
Spicules: Megascleres:
(1)Thin Styles to Subtylostyles:
90 -200 um.
x 2 - 5 um.
(2)Thick Styles to Subtylostyles:
130 - 165 um.
x 9 - 12 um.
Microscleres:
(1)Palmate Isochelae:
12 - 19 um.
(2)Toxas with high arch:
46 - 112 um.
may be absent .
Skeleton:
Thick Styles to Subtylostyles in ascending echinated tracts joined by cross spicules. Thin Styles to Subtylostyles localized at surface and scattered within.
Distribution: Southern to Northern California.
Depth: Intertidal to deep water, 75 m.
Note: Was Axocielita originalis.
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