[A]
Main (most abundant) microscleres are stout Oxyhexasters. |
| | Aphrocallistes vastus
Schulze, 1886 |
Sponge:
Infundibuliform with flattened mitten-form lateral projections.
Color: Alive: White to golden.
Spicules: Megascleres:
(1) Uncinates:
0.89 -1.74- 3.44 mm.
(2) Diactins:
262 -465- 722 um.
(3) Pinular Hexactins (distal ray):
109 -153- 185 um.
(tangential ray): 38 -104- 142 um.
(proximal ray): 53 -100- 232 um.
Mesoscleres:
(1) Hexactins (ray):
85 -128- 201 um.
(2) Scopules:
262 -359- 497 um.
Microscleres:
(1) Oxyhexasters:
(diameter) 126 -196- 252 um.
(2) Discohexasters 1:
(diameter) 30 -40- 56 um.
(3) Discohexasters 2:
(diameter) 16 -22- 25 um.
Skeleton:
Siliceous framework penetrated by diarhysial channels.
Distribution: Throughout California.
Depth: Deep water.
Note: Extra-California distribution: Mexico to Japan. N.E. Pacific form may be regarded as distinct subspecies A. vastus whiteavesianus. Data from RMM 1-2168.
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Main (most abundant) microscleres NOT stout Oxyhexasters.
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