Arcuate Isochelae of 1 size class.
Sigmas: 30 - 65 µm. |
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[B]
Arcuate Isochelae of 2 size classes.
Sigmas: 19-39 µm.
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| | Lissodendoryx (Lissodendoryx)
sp. 1 [of Lee] |
Sponge:
Encrusting to 2 cm.
Surface: granular to superficially smooth.
Oscula: with tiny rims, less than 1 mm across.
Color: Alive: Gold, cinnamon brown, yellow, buff.
Spicules: Megascleres:
(1)Styles-Acanthostyles:
149 -182-190- 210 µm.
(2)Tylotes - Subtylotes:
135 -168-182- 200 µm.
Microscleres:
(1)Arcuate Isochelae:
11 -13-17- 21 µm.
(2)Arcuate Isochelae:
19 -27-31- 41 µm.
(3)Sigmas:
19 -26-31- 39 µm.
Skeleton:
Ectosome: Dermal membrane under which are thick palisades of Tylotes-Subtylotes, mostly perpendicular to the surface.
Choanosome: Bundles of 3-5 or more spicules organized into a thick reticulation. Tract only near surface where they blend into palisades.
Distribution: Central California.
Depth: Intertidal.
Note: Easily confused with Lissodendoryx firma. Could be a variant of that species.
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