Campascus triqueter Penard, 1899
Diagnosis: Test brownish or yellowish, build of organic material embedded with a large number of small granules and platelets; test resembles that of a Cyphoderia species, with a short neck; aperture surrounded by an hyaline colorless collar. In cross-section, the test is a rounded triangle, but never ornamented with spines or horns. Plasm, contractile vacuoles, filipodia and nucleus comparable with those in Cyphoderia.
Dimensions: Length commonly 90 µm, width about 30-40 µm.
Ecology: Penard collected this species around Geneva and mostly at a depth of 30-45 m.