Assulina scandinavica Penard, 1890

Diagnosis: Shell perfectly oval, large, strongly compressed, yellow or chocolate brown, composed of oval plates, covering each other mostly from pseudostome to fundus. Pseudostome large, lens shaped, regularly dentate, each tooth representing the free part of a plate, which is covered with a small yellow bead.

Dimensions: Penard (1890): Shell length 90—100 µm; width 70—85 µm. Cash et al. (1915): length 80—120 µm; width 70—110 µm. My measurements: length 75—100 µm.

Habitat: In Sphagnum and other mosses. Sweden, Norway, Switzerland.