Identifying Sponges

Key to California Porifera (Page 213)

( From page 212 A) Asters present.
Sanidasters present.
Stoeba syrmatitus (de Laubenfels, 1930)
Sponge: Amorphous. Surface: superficially smooth. Oscula: and pores not evident.
Color: Alive and Preserved: Drab.
Spicules: Megascleres: (1) Calthrops: rays 25 -65- 80 um. x 3 -8- 10 um. Microscleres: (1) Sanidasters: 8 - 12 um. some very irregularly spined.
Skeleton: Ectosome: Not described. Choanosome: Not clearly described. Sand grains with patches of spicules.
Distribution: Southern California.
Depth: Intertidal.
Note: Was Dercitus surmatitus. De Laubenfels notes that he found a few Toxas but never provided any information concerning their size. He thought that the toxas were foreign inclusions.
[B] GO TO PAGE 214
NO Sanidasters present.
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