Genus Geoamphorella Bonnet, 1959

Diagnosis: Shell transparent, elongated ovoid, circular in cross section, with a pronounced chitinoid bright yellow collar, without visible structures. Shell covered with amorphous silica elements.
Type species: Geoamphorella lucida Bonnet, 1959
Monospecific

Geoamphorella lucida Bonnet, 1959

Diagnosis: Shell transparent, elongated ovoid, circular in cross section; tinted clear yellow or greyish white, with a chitinoid yellow collar, slightly widened at the circular aperture, covered with amorphous silica elements.

Dimensions: Length 55 µm, breadth 25 µm, length of the neck 5 µm, diameter 7 µm.

Ecology: Humic calcareous soils, rare.

Remarks: Decloitre (1964) described Pseudogeamphorella with a compressed shell.