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Silicoflagellata: Pedinellales (formerly Heliozoea: Ciliophryida)

Actinomonas sp.
Kent 1880

Actinomonas Genus: Spheroid, with a single flagellum and radiating pseudopods; ordinary attached to foreign object with a cytoplasmic process, but swim freely by withdrawing it; nucleus central; several contractile vacuoles (Kudo, 1966).

Actinomonas sp. ?, cell body 13 μm in diam., axopodia about 15 μm long, x 640, rice field near Oyomi marsh, Hakuba village, Nagano Pref., Japan, October 3, 2004 by Y. Tsukii
scale 31 μm scale 63 μm scale 94 μm; x 640
Actinomonas Actinomonas

A. mirabilis Kent: Numerous filopodia; about 10 μm diam., flagellum 20 μm long; fresh water (Kudo, 1966).

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