Identifying Sponges

Key to California Porifera (Page 034)

( From page 032 B) Acanthostyles with small spines on point. Sponge not stalked.
[A]
Distinct Acanthotylostyles present.
cc034A.jpg
Endectyon (Endectyon) sp. A Green and Bakus, 1994
Sponge: Rugose, no stalk. Consistency: Firm but compressible. Surface: rugose with many raised lamellar projections. prickly.
Color: Preserved: Light Tan.
Spicules: Megascleres: (1) Styles: 1500 -2317- 2750 um. x 21 -27- 31 um. (2) Acanthostyles: 420 - 483- 560 um. x 26 -32- 42 um. (3) Acanthotylostyles: 150 -219- 350 um. x 8 -15- 21 um. Microscleres: (1) Rhaphides: 480 -545- 800 um. x 4 -4- 5 um.
Skeleton: Plumoreticulate with axial core and echinating spicules.
Distribution: Santa Maria Basin, Southern California.
Depth: Deep water, 75 to 90 m.
Was Hemectyon sp. A.
[B] GO TO PAGE 035
No distinct Acanthotylostyles present but may have Acanthosubtylostyles.
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