Genus: Granular, clear-tiped pseudopods formed from cell body as well as anterior margin,
not swung at bases during retraction; pseudopod arches, fastens at tip; body passes through it
(Illustrated Guide, 1985).
Species: 25-60 μm long without long pseudopodium; like Mayorella, but sometimes forms a long pseudopodium which waves about before bending and attaching; other pseudopodia in pairs (How to know the protozoa, 1979).
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50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
O. proboscidium Bovee, 1953:
25-60 μm long without long pseudopodium;
like Mayorella, but sometimes forms a long pseudopodium
which waves about before bending and attaching; other pseudopodia in pairs (How to know the protozoa, 1979).
Rounded, 20-30 μm;
locomotive, 100-120 μm long;
a long clear pseudopod, 50-60 μm long;
ectoplasm clear, distinct; endoplasm granular (Illustrated Guide, 1985).
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