Spirillina obconica Brady, 1879       

Class: Spirillinata  Subclass: Spirillinana  Order: Spirillinida  Family: Spirillinidae

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 1, Fig. 8-10