Saccamoeba limax (Dujardin, 1841)
Diagnosis: Locomotive form slender (L/B c. 4.8); villous bulb common; bipyramidal crystals to about 3.5 µm, seldom more than 30 present, sometimes lost after years in culture; endocytic bacteria in known strains; cup-like surface structures c. 40 nm in diameter; mitochondria never elongate.
Dimensions: 35-85 µm; nucleus 6-11 µm.
Ecology: freshwater, several water types.
Difflugia levanderi , after Playfair, 1918 Difflugia levanderi Playfair, 1918 Diagnosis: Test lance-oblong or mitriform (shaped like a bishop’s miter), short and broad, fundus shaped
D. angelica after Gauthier-Lièvre et Thomas, 1960 Difflugia angelica Gauthier-Lièvre et Thomas, 1960 Diagnosis: Test spherical, slightly mammillated. Pseudostome regularly lobed like a star with
fgdfgdfgfgfgfg fgdfgfd fg dfgfd gfdg fdg C. lunaristoma – from Coûteaux et Chardez, 1981 fdgdfgdfgfdgfgdfgfgf fgdgfdgfd gfdg dfgdf C. lunaristoma – from Coûteaux et Chardez,
F. bipilata, Croatia, Tamnica Frenopyxis bipilata (Baković, Siemensma, Baković and Rubinić, 2019) comb. n. Diagnosis: In dorsal view, the test is rounded and usually slightly wider
D. terrestris, after Berney et al., 2015 Darbyshirella terrestris Berney, Bass & Geisen, 2015 Diagnosis: Non-marine, with morphological characteristics of the genus. Usually above 600 um
A. elenazhivotovae – from Leonov, 2010 Acanthocystis elenazhivotovae Leonov, 2010 Diagnosis: Cell diameter 22-25 µm. Periplast with tangential plate-scales and radial spine-scales. Spine-scales 3.2-6.0 µm,