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Orbitolina (Mesorbitolina) texana 4 
Type depressed conical, convex, concave

  found in Sarakhs, North East Iran  by  Morteza Taherpour Khalil Abad    Barremian - Aptian      Taxon Profile

Side view of a vertically broken specimen of Orbitolina (Mesorbitolina) texana illustrating the depressed conical shape with a convex upper and concave lower part

Due to diagenetic processes the inner structures are not conserved.

The classification is based upon: Loeblich and Tappan, Treatise on Invertebrate Paleontology, Part C, C310 and
Cushman,J.A.: Foraminifera, Their Classification and Economic Use, 4ed. 1959, Page 210/211 + Plate 19 and
HUSINEC A, Mid Cretaceous orbitolinid (Foraminiferida) record from the islands of Cres and Losinj (Croatia) and its regional stratigraphic correlation. Cretaceous Research vol: 21 issue: 1 page: 155-171 year: 2000
                      Orbitolina (Mesorbitolina) texana, Sarakhs, Iran, Barremian - Aptian