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Mayorella gemmifera
Mayorella penardi, 72 µm

 

Mayorella penardi Page, 1972

Diagnosis: Locomotive form often with broad blunt anterior end, with L/B ratio usually 1.2-6.5; mammilliform or conical subpseudopodia, often absent, or overtaken by the advancing hyaloplasm; floating form star-shaped, with long slender and pointed pseudopodia; nucleus spherical, with a central nucleolus; small paired crystals, usually < 1 µm observed; cuticula 180-200 nm thick.

Dimensions: Page: 35-125 µm, L/B 1.2-6.5; nucleus 5.6-13.0 µm. My measurements: 60-80 µm; nucleus 15 µm.

Ecology: Freshwater, Europe, North America. I found this species in the Kerf, a dune area along the North Sea coast.

Remarks:

Mayorella gemmifera
Mayorella gemmifera
Mayorella gemmifera
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