Genus: Small amoeba with rapidly changing form; sometimes spatulate or flabellate; hyaline zone usually with smoothly irregular edge; sometimes deeply divided; one known species ? (Page, 1976).
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R. ithacus ?
13-19 x 31-44 μm
n. μm φ
Japan, 1998Rosculus sp. ?
Torinome-Kasen p.
Nasu-shiobara
Tochigi, 1998
Rosculus sp. ?
70-100 x 10-17 μm
n. 5 (3) μm φ
Saitama, 1999
Rosculus sp. ?
30 x 18 μm
n. μm φ
Onnenai
Kushiro marsh
Hokkaido, 2005