Identifying Sponges

Key to California Porifera (Page 041)

( From page 040 B) Sigmas absent. Unguiferous Anisochelae > 30 μm.
[A]
Large Styles 3660 - 4041 - 4545 μm.
Anisochelae of 2 types, the thinner have vestigial alae and look like sigmas, 32 -34-46- 53 μm. The thicker Anisochelae with alae distinct but seemingly fused to near their tips.
cc041A.jpg
Cladorhiza sp. 1 [of Lee ]
Sponge: Stalked; Stalk ending in umbrella-like cap with its edges extended into fragile projections.
Color: Preserved: Tan to light brown.
Spicules: Megascleres: (1) Fusiform Styles: 230 -803- 1757 um. x 12 -17- 24 um.
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(2) Styles: 3660 - 4041- 4545 um. x 53 -64- 72 um.
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Microscleres:
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(1) Unguiferous Anisochelae: 32 -34- 36 um.
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(2) Unguiferous Anisochelae: 39 -46- 53 um.
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Skeleton: Axis of spongin and multispicular fibers.
Distribution: Southern California.
Depth: Deep water, 4100 m.
[B]
Large Styles 1406 -2593- 3733 μm.
Unguiferous Anisochelae with alae mostly free and distinct.
Anisochelae of 1 type, 37 -40- 44 μm.
Cladorhiza sp. 3 [of Lee]
Sponge: Stalked. Stalk ending in umbrella-like cap extended into fragile projections.
Color: Preserved: Tan to light brown.
Spicules: Megascleres:
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(1)Styles-Thick; strikingly fusiform: 448 -773- 1067 um. x 11 -16- 23 um.
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(2)Styles-Moderately thin-stylote to subtylote heads-only slightly fusiform: 1406 -2593- 3733 um. x 39 -51- 60 um.
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(3)Styles-Thin and fusiform: 145 -261- 473 um. x 10 -12- 13 um.
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Microscleres:
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(1)Unguiferous Anisochelae: 36 -40- 44 um.
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Skeleton: Axis of spongin and multispicular fibers.
Distribution: Southern California.
Depth: Deep water, 3640-3740 m.
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