Tournayellinae Dain, in Dain and Grozdilova. 1953 (*881), P^. 20.

Test planispirally coiled; wall dark, opaque, and microgranular, or may have an inner trans-lucent layer or translucent secondary depos­its at the sutures; aperture simple, single, basal or terminal. U. Devonian (Frasnian) to L. Carboniferous (Visean).