Identifying Sponges

Key to California Porifera (Page 087)

( From page 086 B) Spicules are Oxeas which range from 190 - 350 μm.Skeleton, a thin reticulation, 1 - 3 spicules thick. Depth: > 75 m.
[A]
Oxeas, 200 -281- 350 μm.
Skeleton, a reticulation 1 spicule thick.
Depth: 103 - 463 m.
NAPATT.jpg
Haliclona sp. D Bakus & Green, 1987
Sponge: No information given.
Color: No information given.
Spicules: Megascleres: (1) Oxea: 200 -281- 350 um. x 7 -10-13 um.
Skeleton: A reticulation one spicule thick, occasionally two spicules thick, ranging from isodictyal to polygonal in form.
Distribution: Santa Rosa & Santa Cruz Ids. Southern California.
Depth: Deep water, 103 - 463 m.
Note: This and the following species were not described completely enough to unequivocally identify them. No illustrations available.
[B]
Oxeas 190 -221- 250 μm.
Skeleton, a reticulation 1 - 3 spicules thick.
Depth: 75 - 90 m.
Haliclona (?Reniera) sp. H Green & Bakus, 1994
Sponge: Encrusting on rock and bryozoan to 3 mm thick. Consistency: compressible, fragile, soft. Surface: slightly hispid near edges. Oscula: 0.3-0.5 mm.
Color: Light tan ?Alive.
Spicules: Megascleres: (1)Oxeas: 190 - 221- 250 um. x 4.0 -8.0- 13.0 um.
Skeleton: Irregular to slightly isodictyal reticulation of 1 to 3 spicules thick, little spongin at nodes.
Distribution: Santa Maria Basin, Southern California.
Depth: 75 - 90 m.
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