Oligohymenophorea
(formerly Nassophorea): Peniculida: Parameciidae
Paramecium trichium
Stokes, 1885
Genus: Cigar- or foot-shaped; a single macronucleus and 1 to several vesicular or compact microuclei
(Kudo, 1966).
Species: Oblong; 50-105 (80-90) μm long;
a compact micronucleus; two contractile vacuoles; fresh water (Kudo, 1966).
Similar in shape to P. bursaria but much more rounded at both ends;
70-90 μm long;
two conctractile vacuoles; a single ovoid macronucleus with a single micronucleus; caudal cilia present
(Carey, 1992).
Generally believed P. trichium = P. putrinum (see below)
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Paramecium trichium Stokes,
cell body μm long, μm wide, L/W=,
x 640, a drainage ditch near rice field, Hirado, Yachiyo City, Chiba Pref., Japan, March 2, 2008 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
A drainage ditch near rice field, Hirado, Yachiyo City, Chiba Pref., Japan, March 2, 2008 by Y. Tsukii
Please click on images for viewing enlarged.
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