Argynnia caudata (Leidy, 1879)
Basionym: Nebela 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.
Lacogromia sp., Pyrenees, France, 2021 Lacogromia sp. I found this species in a sample from a small pond in the moor of Cayan near Pont
R. armata, 68 µm long, excl. spines – Laegieskamp Rhizaspis armata (Lauterborn, 1901) Dumack et al., 2021 Basionym: Pamphagus armatum Lauterborn, 1890 Diagnosis: Theca membranous,
The original description with original drawings, Penard, 1890. Rhizaspis spinosa (Penard, 1890) Dumack et al., 2021 Basionym: Trinema spinosum Penard, 1890 Diagnosis: Theca membranous, ovoid
Difflugia “pseudoclaviformis”, front and side view, 424 µm Difflugia “pseudoclaviformis” Diagnosis: Shell pyriform, compressed, with a more or less pronounced aboral protuberance; shell composed of
Shells 461-448 µm, stacked image. I found this large en remarkable shells in sediment of a small mountain lake near Lolo Pass, Montana USA. It differs
Unknown species, collected from the river Drôme, France, 2021 Unknown species September 2021, I found about ten specimens of an agglutinated foraminifer in a sample
Cyclopyxis spec., 168 µm Cyclopyxis spec. Diagnosis: Shell circular in ventral and dorsal view, more or less hemispherical in lateral view (height/diameter ≈ 0.5); lateral
Difflugia fallax, from Penard, 1902 Difflugia fallax Penard, 1890 Diagnosis: Shell hyaline or yellowish-greenish, black at low magnification, round in cross section, formed of a
Z. compressoidea, a-b after Chardez, 1958; c after Jung, 1942 Zivkovicia compressoidea (Jung, 1942) new.comb. Basionym: Pontigulasia compressoidea Jung, 1942 Diagnosis: Shell ovoid and compressed,
Z. flexa, from Cash and Hopkinson, 1909 Zivkovicia flexa (Cash and Hopkinson, 1909) Ogden, 1983 Basionym: Pontigulasia compressa var. flexa Cash and Hopkinson, 1909 Diagnosis: