BOGUSHELLA Conil and Lys, 1977

Type species: Mstinia ziganensis Grozdilova and Lebedeva, 1960 (*1321A), p. 49; OD.

Bogushella Conil and Lys, 1977 (*667), p. 25.

Test with early streptospiral coiling, later rectilinear, periodic constrictions of the wall result in pseudochambers but no true septa present; wall calcareous, clearly differenti­ated into a thick coarsely granular outer layer and thin microgranular inner layer; aperture cribrate in the adult. L. Carboniferous (Visean); USSR; England.