Identifying Sponges

Key to California Porifera (Page 248)

( From page 245 B) NO Clavules present; Scopules present.
[A]
Dermalia are Pentactins with short sixth ray rudiment.
cc248A.jpg
Tretodictyum montereyensis Reiswig et al., 2008
Sponge: Body shape unknown; rigid wall 11 mm thick.
Color: White in ethanol.
Spicules: Megascleres: (1) Uncinates: 206 -452- 586 um. (2) Pentactins (tangential ray length): 198 -328- 440 um. (proximal ray length): 116 -711- 1540 um. Mesoscleres: (1) Scopules: 342 -575- 801 um. Microscleres: (1) Oxyhexasters (diameter): 66 - 81- 98 um.
Skeleton: Rigid framework with schizorhyses channels.
Distribution: Central California.
Depth: Deep water.
[B] GO TO PAGE 249
Dermalia are Pinular Hexactins.
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