Family: Cirral files spiral obliquely around body.
Genus: Slender or ovoid or fusiform; usually 4 spiral rows of crri; sometimes tube-dwelling (Kudo, 1966). Body long with pointed anterior; loricate; posterior of body blunt, round (Illustrated Guide, 1985). S. gracilis posterior end pointed (Carey, 1992). Species: 130-200 μm long; fresh water (Kudo, 1966). |
Stichotricha secunda Perty,
with lorica,
cell body 150 μm long,
cirral files spiral around body, tube-dwelling,
x 200, x 400, Japan, 1997 by Y. Tsukii
100 μm
200 μm
300 μm; x 200
50 μm
100 μm
150 μm; x 400
S. aculeata Wrzesnioski, 1884: Spindle-shaped; posterior end rounded; thin neck; 90 μm long; peristome 1/2 the body length; contractile vacuole anteriorly located; two ovoid macronuclei (Carey, 1992).
S. secunda Perty: 130-200 μm long; fresh water (Kudo, 1966).