Description Image source: Cushman, J.A. 1933. The Foraminifera of the Tropical Pacific Collections of the ”Albatross”. Part 2. Lagenidae to Alveolinellidae. Bull. U.S. Nation. Mus 161: vi+79 pp.+19 pls.Author Cedhagen, TomasJPG file - 35.60 kB - 269 x 499 pixelsadded on 2011-09-21249 viewsForaminifera taxaPyrulina extensa (Cushman, 1923) accepted as Francuscia extensa (Cushman, 1923)checked Hayward, Bruce W. 2013-08-30 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License