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Spirotrichea: Hypotrichia: Euplotida: Euplotidae

Euplotes eurystomus
(Wrzesniowski, 1870) Kahl, 1930-5

Euplotes eurystomus Genus: Cell body is ovoid, dorsoventrally flattened; dorsal surface may be equipped with some ornamentation; three groups of cirri (frontoventral, transverse & caudal); macronucleus C-shaped, "3"-shaped, or horsehoe-shaped (Carey, 1992).
Species: Large, ovoid; 160 μm long; peristomial collar present (high & prominent), right peristomial lip with depression; no ornamentations; wide buccal area wide, triangular in shape; peristome 1/2 of the body length; 9 frontoventral, 5 transverse, 4 caudal cirri; macronucleus "3"-shaped (Carey, 1992).


Euplotes eurystomus, a conjugating pair, cell body μm long, μm wide, x 400, Japan, 99? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400
Euplotes eurystomus Euplotes eurystomus

Euplotes eurystomus, conjugating pairs and an exconjugant (right) double-stained with azure C & fastgreen, cell body μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
Euplotes eurystomus Euplotes eurystomus Euplotes eurystomus Euplotes eurystomus Euplotes eurystomus
Euplotes eurystomus Euplotes eurystomus

Euplotes eurystomus, conjugation ?, cell body μm long, μm wide, x 400, Japan, 199? by Y. Tsukii
Euplotes eurystomus Euplotes eurystomus Euplotes eurystomus Euplotes eurystomus


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