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 sp. ?,
cell body ? μm long, 12.5 μm wide, four flagella 22 μm long,
x 640, rice field, Shimo-muneoka, Shiki city, Saitama Pref., Japan, October 24, 2004 by Y. Tsukii
31 μm
63 μm
94 μm; x 640