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:
Similar tetra-flagellates -->> Zoospores of Geminella; Carteria sp. ?,
cell body spherical, 14 μm in diam.,
4 equal-length flagella, 20 μm long, a large chlroplast, anterior papilla,
x 400, x 640, Matsumoto, Nagano Pref., Japan, May 2001, collected by N. Kinoshita, photo by Y. Tsukii 50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640