Family: Body more or less triangular to spatulate; tapered, round-tipped pseudopods.
Genus: Clear pseudopods, formed from clear anterior, more or less broad margin (Illustrated Guide, 1985).
(Test with short neck, round in cross-section; pseudostome oval or polygonal)
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Group II: Subpseudopodia, broadly based mammilliform
or nearly hemisperical pyramidsII-a: Pseudopods triangular to mammilliform; cell body more or less tubular;
locomotive more than 100 μm
M. leidyi
189, ?, ? μm
vesicular nucleus
Japan, 199?
M. leidyi
DSR images
Japan, 199?
M. leidyi
?
Okinawa, 199?
Mayorella sp.
100, 12, 6 μm
vesicular nucleus
Japan, 199?
M. leidyi
μm
vesicular nucleus
Saitama, 2000
M. leidyi
μm
vesicular nucleus
Uruguay, 1999
Mayorella sp.
μm
Kuroiso
Tochigi, 2002