Stylonychia
Stylonychia mytilus Ehrenberg, by H. Yoshino
Prorodon
Prorodon teres Ehrenberg, cell length 170�ʂ�, width 130 �ʂ�, by H. Yoshino
Coleps
Coleps hirtus Nitzsch, cell length 44�ʂ�, width 23�ʂ�, (Methylene blue), by H. Yoshino
