Identifying Sponges

Key to California Porifera (Page 160)

( From page 159 A) NO Subtylostyles present. Styles with microspined heads.
[A]
NO Subtylostyles present.
Note: this species needs review.
See variability illustrated below.
cc160A.jpg (Bakus, 1966)

Spicules: None
Megascleres:
Styles I:
159-213-215-275 μm.*
140-200-240 μm. **
210-289-390 μm. ***
Styles II:
225-274-287-333 μm. *
222-376-680 μm. **
320-463-630 μm. ***
Acanthostyles:
177-197-220 μm. *
83-130-196 μm. **
160-177-210 μm. ***
Acanthostrongyles:
120-147-148-159 μm.*
87-129-160 μm. **
90-129-140 μm. ***
Styles (microspined heads):
190-369-770 μm. **
Microscleres:
Palmate Isochelae:
19-23-25-27 μm. *
16-21-35 μm.**
18-22-23 μm. ***
Toxas:
29-40-88-133 μm. *
18-68-229 μm. **
52-153-229 μm.***
Rhaphides:
61-100 μm. *** Original description, Bakus, 1966. Washington,San Juan Archipelago.
** Bakus and Green, 1987. Southern California.
*** Green and Bakus, 1994 Southern California, Santa Maria Basin.
[B]
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