Identifying Sponges

Key to California Porifera (Page 035)

( From page 034 B) No distinct Acanthotylostyles present but may have Acanthosubtylostyles.
Acanthostyles of 1 size class.
Sponge with branching projections from an encrusting base
Endectyon sp. B Green & Bakus, 1994
Sponge: Branching projections from encrusting base, no stalk 0.3 to 0.4 mm thick. Branching projections 1-2 mm tall. Surface: finely hispid, Crusty texture.
Color: White, ?Alive..
Spicules: Megascleres: (1) Styles: 280 -558- 730 um. x 16 -25- 31] um.
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(2) Acanthostyles: 230 -305- 460 um. x 18 -22- 26 um.
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Skeleton: Plumose with axial core of Styles and echinating Acanthostyles.
Distribution: Southern California, Santa Maria Basin.
Depth: Deep water, 90 - 130.5 m.
Note: Specimens in poor condition. Absence of Rhaphides and long Styles may be a result of this.
Acanthostyles to Acanthosubtylostyles of 2 size classes.
Sponge fan-shaped.
(Dickenson, 1945) [of Green & Bakus, 1994]
Sponge: No stalk, fan-shaped.
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