Description Loeblich, A. R., Tappan, H. N., 1987: Foraminiferal genera and their classification. Van Nostrand, Reinhold Co. New York 1728 pp. Plate 703, Figs. 4-6: U. Cretaceous (Campanian), Mobridge Member of the Pierre Shale, Dewey County, South Dakota, USA. Opposite sides and edge viewofholotype, x 200 (from Mello, 1969).Author Loeblich & Tappan, 1987JPG file - 47.74 kB - 345 x 183 pixelsadded on 2023-12-0439 viewsForaminifera taxaDigital photo, entire speciesDiscorbis quadrilobus Mello, 1969 † accepted as Bagginoides quadrilobus (Mello, 1969) †checked Le Coze, François 2023-12-04 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License