Genus: Usually limax-like, commonly with villous-bulb uroid; locomotion by steady flow
with occasional slight antero-lateral bulging; floating form with long, blunt, mostly granular pseudopodia;
normally uninucleate (Page, 1976).
Pseudopods do not meld at bases during locomotion; pseudopods not ridged; nucleus spherical
(Illustrated Guide, 1985).
Species: 100-150 μm long; relatively slender (?),
L/B 2-5; nucleus 13-17 μm (Page, 1976).
Bag-like in locomotion with trailing bulge (uroid and filaments), broader at anterior than at posterior
(How to know the protozoa, 1979).
monopodal 150-180 μm long;
uroid a semipermanent disc wifh fine filaments; nucleus spherical 13-17
μm, no endosome; contractile vacuole 15-20
μm diam. (Illustrated Guide, 1985).
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