Difflugia limnetica (Levander, 1900) Penard, 1902
Diagnosis: Test ovoid, yellow or brown, covered with mineral grains, which are rarely located on the surface of the test. The pseudostome of a three-blade irregular shape, surrounded by a small collar. Sometimes the edge is simply wavy, sometimes there are 4-5 blades. Cytoplasm without zoochlorella.
Dimensions: Length 70-100 µm, width 50-85 µm, diameter pseudostome 25-51 µm.
Ecology: Freshwater. Sphagnum
Raphidocystis arborescens (Jones 1974) Zlatogursky, 2018 Basionym: Cienkowskya arborescens Jones, 1974 Diagnosis: under construction Ecology:
after Zlatogursky et al., 2018 Raphidocystis glabra Dürrschmidt, 1985 Diagnosis: Periplast 40-50 μm in diameter; spine-scales 4.6–15 μm; plate-scales 6-7 × 3-3.5 μm; tiny teeth
Raphidocystidae Zlatogursky, 2018 Diagnosis: centrohelids with monolayered plate-scales covering cell surface. Plate-scales with a hollow inflected margin. Sometimes trumpet-shaped or tubular spine-scales present, forming an
P. liboica – from Bonnet, 1979 Planhoogenraadia liboica Bonnet, 1979 Diagnosis: . Test relatively flat, with a dorsal convexity. Shell widest in the center. Aperture deep
Deharvengia papuensis, after Bonnet, 1979 Deharvengia papuensis Bonnet, 1979 Diagnosis: Theca large, ovoid, very regular, colorless. Elliptical pseudostome bordered by a thick yellowish lip or