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).
Carteria sp. ?,
cell body ellipsoidal, 13 μm long, 10 μm wide, flagella about 15 μm long,
x 640, a small pond near Yamaguchi university, Yamaguchi city, Yamaguchi Pref., November 21, 2004, by Y. Tsukii
94 μm; x 640