MEDIOPSIS Bogush, 1984

 

 

Mediopsis Bogush, in Bushmina, Bogush, and Kononova. 1984 (*457), p. 63.

Test small, enrolled, with few whorls, involute, laterally compressed, coiling irregular in first half to one and a half whorls, later planispiral, final whorl with up to eight cham­bers, periphery slightly lobulate, septa thick and radial; wall calcareous, relatively thick, undifferentiated, and microgranular, including many large clear grains, secondary deposits obscuring the axial region, small pseudochomata irregularly present. L. Carboniferous (U. Tournaisian to Visean); USSR: NW Altaya, Siberian Platform.

Type species: Planoendothyra? kharaulakhensis Bogush and Yuferev, 1966 (*278), p. 148; OD.