image_list image_listE

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;


Paramecium bursaria, cell body 123-150 μm long, 53-78 μm wide, x 400, Japan, 199? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria
Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria Paramecium bursaria

A ruptured cell and its endosymbiotic chlorella, by Y. Tsukii
Paramecium bursaria
isolated endosymbionts, Chlorella sp.
Paramecium bursaria


Please click on images for viewing enlarged.
Copyright Protist Information Server