Psammonobiotus communis Golemansky, 1970
Lacogromia spec. Pyrenees
September 24, 2021
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
- Ferry Siemensma
- Created March 2, 2019
- Last updated January 31, 2021
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Rhizaspis armata
September 21, 2021
R. armata, 68 µm long, excl. spines – Laegieskamp Rhizaspis armata (Lauterborn, 1901) Dumack et al., 2021 Basionym: Pamphagus armatum Lauterborn, 1890 Diagnosis: Theca membranous,
Rhizaspis spinosa
September 21, 2021
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”
September 21, 2021
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
Difflugia from Lolo Pass
September 20, 2021
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
Foraminifer drome
September 14, 2021
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
August 6, 2021
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
August 4, 2021
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
Zivkovicia compressoidea
July 24, 2021
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,
Zivkovicia flexa
July 24, 2021
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: