Suborder: Ventral cirri as 1 or more files of varied length; linear.
Family: Cirral files spiral obliquely around body. Genus: Body plump, with rostrum; 2 groups of ventral cirri, 1 on each side; planktonic (Illustrated Guide, 1985). |
Spiretella sp.,
cell body 160 μm long, μm wide,
two cells connected by clear gelatinous excretion,
x 200, x 400, Japan, 199? by Y. Tsukii
100 μm
200 μm
300 μm; x 200
50 μm
100 μm
150 μm; x 400
