Identifying Sponges

Key to California Porifera (Page 171)

( From page 169 B) NO Sigmas present.
[A]
Tornotes > 200 μm.
cc171A.jpg
Hymedesmia sp. Bakus & Green, 1987
Sponge: No information given.
Color: Not given.
Spicules: Megascleres: (1) Acanthostyles: 140 -163- 200 um. x 9.0 um. (2) Acanthostyles: 440 -570- 710 um. x 11 -14- 17 um. (3) Acantho-strongyles: 70 -119- 150 um. x 9 -10- 11 um. (4) Tornotes: 270 -273- 290 um. x 5.0 um. Microscleres: (1) Arcuate Isochelae: 41 -44- 46 um.
Skeleton: No information given.
Distribution: Southern California, Santa Rosa Id.
Depth: Deep water, 103 m.
[B] GO TO PAGE 172
Tornotes < 200 μm.
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