T. chardezi, after Decloitre, 1981
Trinema chardezi Decloitre, 1981
Diagnosis: Shell almost spherical, aperture circular.
Dimensions: Decloitre (1981): Shell length 25—28 µm; width 20—25 µm; aperture 10—12 µm.
Habitat: Freshwater. Belgium and France.
T. chardezi, Mongolia, 2024; photomicrograph Ferry Siemensma