Order (Singh, 1952) & Family (Jollos 1917, Zulueta, 1917): Limax-form; monopodial;
clear, hemispherical eruptive, anterior bulges (Illustrated Guide, 1985).
Genus: No flagellate stage; uninulceate (Illustrated Guide, 1985).
Vahlkampfia sp. ?,
cell body μm long, μm wide,
x 640, Nagatsu-gawa Shinsui Park (riverside park), Funabashi City, Chiba Pref., Japan, July 2003 by Y. Tsukii
20 μm
40 μm
60 μm; x 1000