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Oligohymenophorea: Peritrichia: Sessilida: Vaginicolidae

Platycola truncata
Fromentel, 1874

Platycola truncata 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:
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
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Platycola Platycola Platycola

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).


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