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Lobosea: Gymnamoebia: Amoebida: Conopodina: Mayorellidae

Oscillosignum proboscidium
Bovee, 1953

Oscillosignum proboscidium 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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Oscillosignum sp. (proboscidium ?), cell body μm long, pseudopods μm long, x 400, x 640, Japan, 199? by Y. Tsukii
scale 50 μm scale 100 μm scale 150 μm; x 400 : scale 31 μm scale 63 μm scale 94 μm; x 640
Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum Oscillosignum

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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