Genus: Clear pseudopods, formed from clear anterior, more or less broad margin (Illustrated Guide, 1985). Group I: Subpseudopodia, digitiform cones. (a: Short conical subpseudopodia) Species: 70-100 μm; numerous short pseudopodia; usually no crystals (Page, 1976).

This group is recently moved to a new genus Korotnevella Goodkov, 1988

50 μm 100 μm 150 μm; x 400 : 31 μm 63 μm 94 μm; x 640

Mayorella bulla ?, 1998 by Y. Tsukii

Mayorella bulla ?, 1998 by Y. Tsukii