Rosalina valvulata d'Orbigny, 1839       

Class: Rotaliata  Subclass: Rotaliana  Order: Rosalinida  Family: Rosalinidae

found in the North Atlantic          

Geological Time: Quaternary  Holocene  recent


the drawings are published in the book cited below
author and collection: Joseph A. Cushman



The identification is based upon:
Cushman, J., A., 1931: The Foraminifera of the Atlantic Ocean. Part 8. Rotaliidae, Amphisteginidae, Calcarinidae, Cymbaloporettidae, Globorotaliidae, Anomalinidae, Planorbulinidae, Rupertiidae and Homotremidae. Book Smithsonian Institution United States National Museum Bulletin 104. Plate 7, Fig. 3