Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 163, Figs. 8-11: M. Jurassic (Bathonian or Callovian), Saudi Arabia. 8, Weathered paratype showing unroofed chamber cavities of uncoiled stage and openings into underlying subcameral tunnels, x 25; 9, young paratype showing early coil and resembling a mature Pfenderina, x 50; 10, edge view of fragmental paratype showing natural section of uncoiled part, inked line shows course of chambers across the fragment, shallow centrat groove in upper part is a subcameral tunnel, x 25; 11, holotype, initial coil to lower left (not in focus), x 25 (from Redmond, 1964).
