Corythion delamarei Bonnet & Thomas, 1960
Diagnose: Test small, elongated ovoid, little or not compressed, aperture obliquely cut, about 45° relative to the axis of the test. Aperture circular or slightly elliptical, inner border with small teeth. No invaginated tube as in Trinema, but only a weak invagination of the pseudostome, 1 µm or smaller. Test composed of granules or elliptical scales irregularly distributed and without covering each other partly. These scales are seldom larger than 1 µm.
Dimensions: Length: 23-27 µm, width 12-15 µm.
Ecology: soil, in mosses and lichens. Southern-France.