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Sigmas present. |
| | Hymedesmia (Hymedesmia) sp. C
Green & Bakus, 1994 |
Sponge:
Encrusting.
Consistency: fragile.
Surface: prickly, hispid.
Color: Alive? Transparent.
Spicules: Megascleres:
(1) Acanthostyles:
130 -173- 182 um.
x 10 -11- 13 um.
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(2) Acanthostyles:
340 -423- 580 um.
x 21 -22- 23 um.
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(3) Tornotes:
81 -154- 208 um.
x 3.0 -5.0- 8.0 um.
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Microscleres:
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(1) Arcuate Isochelae:
21 -27- 34 um.
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(2) Sigmas:
16 -20- 23 um.
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(3) Sigmas:
55 -58- 59 um.
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Skeleton:
Ectosome: With Tornotes and Styles.
Choanosome: With vertically-oriented. Acantho-subtylostyles of two size classes, heads buried in spongin.
Distribution: Southern California, Santa Maria Basin.
Depth: Deep water, 75-90 m.
Note: See page 170 for a closely related species.
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NO Sigmas present.
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