Species: Body pyriform when contracted; amethyst-blue; with Chlorella; 300-600 μm long; macronucleus oval (Kudo, 1966). Cell body broadly trumpet shaped, 250-500 μm long when fully extended; cortical granules lilac or amethystine coloured or purplish red, surround also micronuclei; with symbiotic green algae (Foissner and Wölfl, 1994).

50 μm 100 μm 150 μm; x 400