Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 140, Figs. 16-18: M. Jurassic (Bathonian or Callovian), Dhruma Formation, Saudi Arabia. 16, Holotype, x 50; 17, 18, paratypes, x 50 (from Redmond, 1965).Author Le Coze, FrançoisJPG file - 13.75 kB - 149 x 117 pixelsadded on 2023-06-2986 viewsForaminifera taxaRiyadhella regularis Redmond, 1965 †checked Le Coze, François 2023-06-29 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License