Tracheleuglypha dentata
Tracheleuglypha Deflandre, 1928
Diagnosis: Test ovoid, round in cross-section; with circular or oval overlapping plate-scales; without spine-scales. Pseudostome circular, with short, sometimes dentate collar, which is produced during fission to hold the opposed test together. Nucleus ovular.
Type species: Tracheleuglypha dentata (Vejdovsky, 1882) Deflandre, 1928
Ecology: Herbivorous. Mosses, soil and aquatic vegetation.
T. acolla, Ecuador (l) and the Netherlands (r)