USLONIA Antropov, 1959
Type species: Uslonia permira Antropov, 1959; OD.
Uslonia Antropov. 1959 (*52), p. 28: OD.
Test unilocular, irregular in form; wall calcareous, homogeneous, perforate; no aperture observed. U. Devonian (U. Frasnian); USSR: Bashkir, Tatar, Udmurt.