Ditrema Archer

Shell without foreign particles, strongly compressed, yellowish-brown in color. (ref. ID; 1923)

Ditrema elliptica Decloitre (ref. ID; 5112 original paper)
Ditrema flavum Archer (ref. ID; 1923) reported author and year? (ref. ID; 2401)

Ditrema flavum Archer (ref. ID; 1923) reported author and year? (ref. ID; 2401)
Description; Shell homogeneous; in broad view with nearly parallel sides and rounded ends. In side view, long elliptic; end views oval, each with a central small oval aperture; protoplasm always enclosing green zoochorellae. Nucleus single. Pseudopodia straight, unbranched. Habitat Sphagnum. (ref. ID; 1923)
Measurements; Length 45-77 um. (ref. ID; 1923)