Argynnia caudata (Leidy, 1879)
Diagnosis: Shell ovoid with a rounded or angulous fundus ornated with 3 to 5 hollow horns (generally 4); covered with polygonal or circular scales, jointing or rarely overlapping.
Dimensions; Length 78-90 um. My measurements 60-65 µm
Ecologie: Sphagnum-vegetation.
Leptophrys vorax, Naardermeer, the Netherlands 2019 Leptophrys vorax
Difflugia globulosa, 70 µm, stacked image Difflugia globulosa (Dujardin, 1837) Penard, 1902 – Small species Diagnosis: Shell light to dark brown, spherical, composed of small
Ditrema spec. Ditrema spec. Diagnosis: Shell as with D. longicollis, but much smaller, surrounded by V-shaped structures that gave it the impression of a star.
Pompholyxophrys Pompholyxophrys Pompholyxophrys Rabdiophrys Rotosphaerida Rainer, 1968 Diagnosis: Aciliate predominantly spherical or flattened amoebae from which elongated actin-based filopodia extend; with flat discoid mitochondrial cristae;
Key to Centropyxis species 1 Test in dorsal view circular or almost circular 2 – Test in dorsal view irregular due to various outgrows and