DECKERELLINA Reytlinger, 1950
Type species: Deckerellina istiensis Reytlinger, 1950; OD.
Deckerellina Reytlinger, 1950 (*2597), p. 57.
Test biserial throughout, ovoid in section, sutures slightly depressed and horizontal; wall calcareous, microgranular, with poorly developed radial layer and may have patchy external agglutinated coating; aperture in the early stage a low interiomarginal opening but adult aperture of two parallel slits, one interiomarginal and the other a curved areal slit a short distance above the base of the chamber face. L. Carboniferous (Visean) to M. Carboniferous; USSR; Britain.