Longiapertina varistriata Seiglie & Bermúdez, 1966

Description:

 Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification.  Van Nostrand, Reinhold Co. New York 1728 pp. Plate 355, Figs. 1-6: U. Eocene, Vega Grande, Sancti Spiritus, Cuba. 1, 2, Side and apertural view of paratype, length 0.17 mm; 3-5, opposite sides and apertural view of holotype, length, 0.17 mm; 6, transverse section, about x 223 (from Seiglie and Bermudez, 1966). courtesy of Michael Hesemann https://foraminifera.eu