Family: Oval to flattened, or elongated; thin to spiny pseudopodia; endocysts not polygonal; lack opercula
(Illustrated Guide, 1985).
Genus: Pseudopods short, spiny, formed from hyaline anterior zones (Illustrated Guide, 1985).
Echinamoeba sp. ?,
cell body μm long, μm wide,
x 640, Japan, November 1998, by Y. Tsukii
31 μm
63 μm
94 μm; x 640