Identifying Sponges

Key to California Porifera (Page 042)

( From page 039 B) Unguiferous Isochelae present.
[A]
Unguiferous Isochelae of 2 size classes;
Sigmas of 3 size classes.
cc042A.jpg
Chondrocladia sp. 1 [of Lee]
Sponge: Stalked, stalk ends in rounded head from which arise numerous thin apical projections.
Color: Preserved: Tan to light brown.
Spicules: Megascleres: (1) Styles-Thin: 933 -2521- 4872 um. x 12 -20- 27 um.
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(2) Styles-Thick: 897 -1679- 2776 um. x 30 -35- 42 um.
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Microscleres:
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(1) Unguiferous Isochelae: 24 -38- 58 um.
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(2) Unguiferous Isochelae: 66 -73- 83 um.
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(3) Sigmas: 21 -29- 36 um.
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(4) Sigmas: 41 -45- 49 um.
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(5) Sigmas: 69 -84- 91 um.
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Skeleton: Spicule axis branching into plumose tracts.
Distribution: Southern California.
Depth: Deep water, 4100 m.
[B] GO TO PAGE 043
Unguiferous Isochelae of 1 size class.
Sigmas present OR absent. If present, only a single size class.
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