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Spirotrichea: Hypotrichia: Euplotida: Euplotidae

Euplotes patella
(Müller, 1773) Ehrenberg, 1838

Genus: Body ovoid, inflexible; ventral surface flattened, dorsal surface convex; peristome broadly triangular (Kudo, 1966). 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: 110 μm long; body is not ornamented (no ridges), peristome large, wide, extending 1/2 of the cell length; AZM narrow; 9 frontoventral, 5 transverse, 4 caudal; macronucleus C-shaped (Carey, 1992). 6 dorsal ridges (How to know the protozoa, 1979). ???
->> Description at WPRNO Google Image Search
Euplotes
E. patella
no or 6 ridges ??
9 + 5 + 4 cirri
105 x 65 μm
Japan, 199?
Euplotes
E. patella ?
6 ridges
cirri
80 x 50 μm
Uruguay, 1999
Euplotes
E. patella ?
64 x 46 μm
Toneri Park
Tokyo, 2001
Euplotes
E. patella ?
55 x 33 μm
Watarase river
Ashikaga
Tochigi, 2004

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Euplotes
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