Microscleres do NOT include Forceps;
Sigmas of 1 size class. |
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[B]
Microscleres include Forceps.
Sigmas of 2 size classes.
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| | Forcepia (Leptolabis) acanthostylosa
Lee, 2001 |
Sponge:
Thinly encrusting to 1.5 mm on Hinnites multirugosus, or thickly encrusting to 3.3 cm, irreg.
Consistency: firm but soft and elastic.
Surface: smooth, opaque,somewhat irregularly lobate to verrucose, gently undulating.
Color: Alive: Yellow to orange; Preserved: Light tan.
Spicules: Megascleres:
(1)Acanthostyles:
68 -77-84- 101 um.
x 2.4 -3.9-5.8- 7.3 um.
(2)Acanthostyles:
181 -220-236- 265 um.
x 2.4 -4.4-7.0- 9.7 um.
(3)Subtylotes-Tylotes:
195 -227-233- 258 um.
x 3.6 -5.0-5.6- 6.0 um.
Microscleres:
(1)Arcuate Isochelae:
22 -26-29- 36 um.
(2)Arcuate Isochelae:
46 -51-58- 68 um.
(3)Sigmas:
26 -38- 47 um.
(4) Sigmas:
53 -68-72- 78 um.
(5) Forceps:
7 -10-11- 13 um.
(6)Forceps:
21 -24- 29 um.
Skeleton:
Ectosome: Tightly packed Tylotes - Subtylotes parallel to surface.
Choanosome: Loose reticulation of Acanthostyles with thick tracts, many microscleres, dense.
Distribution: Southern California.
Depth: Subtidal.
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