FERAYINA Frizzell, 1949
Type species: Ferayina corailiformis Frizzell, 1949: OD.
Ferayina Frizzell. 1949(*1186),p. 483. 492,Test conical, proloculus followed by three or four tiny chambers, then with rapidly enlarging saucerlike rectilinear chambers, septa horizontal, flat: wall of calcite by X-ray analysis, optically radial, finely perforate but with imperforate flat apertural face, surface with low equidistant longitudinal costae, additional ribs intercalated with growth to maintain their constant spacing: aperture consisting of numerous rounded openings on the terminal face at the end of hollow pillars that extend to the previous septum. M. Eocene; USA: Texas, California; Ecuador; Peru.