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Nassophorea: Nassophoria: Peniculida: Parameciidae

Paramecium bursaria
(Ehrenberg, 1831) Focker, 1836
Syn. Loxodes bursaria Ehrenberg, 1831

Paramecium bursaria Genus: Cigar- or foot-shaped; a single macronucleus and 1 to several vesicular or compact microuclei (Kudo, 1966).
Species: 100-150 μm long, 50-60 μm wide; foot-shaped; green with symbiontic Chlorella; a compact micronucleus; a macronucleus; two contractile vacuoles (Kudo, 1966). Ovoid, anterior transversely truncated, posterior rounded; 80-150 μm long; oral groove wide; cytoplasm filled with green zoochlorellae; two contractile vacuoles; a single ovoid macronucleus and a micronucleus; caudal cilia present (Carey, 1992).
Other endosymbiosis -->> Acanthocystis; Mayorella; Paulinella; Paulinella; Paulinella; Climacostomum; Vorticella; Prorodon; Frontonia; Colpoda; etc.


Paramecium bursaria (Ehrenberg) Focke, cell body 119 μm long, 60 μm wide, L/W=2.0, x 200, x 400, x 640, a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, May 4, 2007 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria

IImages of collecting locality: a pond near Dedono-yu (hot spring), prefectural road route 215, Nishiwaga-machi (town), Iwate Pref., Japan, May 4, 2007 by Y. Tsukii


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