[A]
Microscleres are Palmate Anisochelae of 2 size classes. |
| | Mycale sp. 1
(of Lee) |
Sponge:
Very thinly encrusting < 2 mm. On scallop shells.
Surface: appears smooth.
Oscula: A few openings, 1 mm in width and flush with surface could be oscula.
Color: Not given..
Spicules: Megascleres:
(1) Strongyles-thick:
255 -311-358 um.
x 6 -9- 12 um.
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Microscleres:
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(1) Palmate Anisochelae- all normal palmate shape:
51 -61- 70 um.
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(2) Palmate Anisochelae:
24 -30- 34 um.
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Skeleton:
Network of intermeshing spicular tracts. The larger, 60-75 μm; the smaller, 22-36 μm.
The tracts branch and anastomose to form an open structure with rectangular or triangular areas between. Tracts reach and barely penetrate surface. Anisochelae dispersed in abundant mesenchyme.
Distribution: Central California, San Jose Creek Beach, Monterey.
Depth: Subtidal.
Note: It is not known if this species only occurs on scallops.
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Microscleres other than Palmate Anisochelae.
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