Difflugia sudiformis  Schönborn, 1966

Diagnosis: Shell rod-shaped, elongated cylindrical, slightly compressed, hyaline and sparsely covered with small pieces of quartz. Sides are almost parallel to each other, but expand slightly towards the fundus. Pseudostome circular, very small. Shell covered with rarely spaced mineral grains.

Dimensions: Schönborn (1966): Shell length 43-44 µm; width 11.3-11.5 µm.

Habitat: Freshwater. Abiskojaure, Lapland, Sweden.

References: Schönborn, W., 1966. Untersuchungen über die Shellaceen Schwedisch-Lapplands. Ein Beitrag zur Systematik und Okologie der beschalten Rhizopoden II Limnologica, 4:3, 517-559.