Genus: Four flagella of equal length inserted close together into an anterior papilla;
contractile vacuole anterior (An illustrated guide to freshwater zooplankton in Japan, 2000).
Species:
Carteria ?,
cell body μm long, μm wide,
x 640, Omoi river, Oyama city, Tochigi Pref., Japan, February 8, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640