Oligohymenophorea:
Peritrichia: Sessilida: Vaginicolidae
Platycola truncata
Fromentel, 1874
Family: Loricate; with or without stalk; body slender, extensible, attached in lorica aborally;
macronucleus long (Illustrated Guide, 1985).
Genus:
Lorica attached by long axis (Illustrated Guide, 1985).
Species:
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Similar Genus ->> Thuricola;
Vaginicola;
Cothurnia;
Pyxicola
Platycola truncata Fromentel,
cell body μm long, μm wide, L/W=,
lorica 100 μm long, 80 μm wide (at middle), 50 μm wide (anterior opening), L/W=,
endosymbiotic algae present,
x 400, x 640, No. 5-2, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
No. 5, Mida-ga-hara (bog/marsh), Gassan (mountain), Tsuruoka city (formerly Haguro town) & Shonai town (formerly Tachikawa town), Yamagata Pref., Japan, August 3, 2006 by Y. Tsukii
* Platycola truncata Fromentel, 1874:
Cell body cylindroid, 60-170 μm long,
15-20 μm wide; pellicle smooth;
peristome 20-25 μm wide;
cytopharynx 1/4 to 1/5 the body length; peristomal disc expands forward with a slope;
a contractile vacuole near the end of the cytopharynx;
a macronucleus band-like with a single micronucleus;
lorica clear, yellow to brown, with short collar, attached to substrate for most of its length;
usually two cells in a lorica
(Gensei-Doubutu Zukan, 1981).
Platycola longicollis (De Fromentel):
125 μm long;
lorica clear, yellow to brown, attached to substrate for most of its length
(How to know the protozoa, 1979).
Please click on images for viewing enlarged.
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