Amphistegina lessonii (d'Orbigny, 1843)
Class: Rotaliata Subclass: Rotaliana Order: Asterigerinida Family: Amphisteginidaefound in the North Atlantic
Geological Time: Quaternary Holocene recent
the drawings are published in the book cited below
author and collection: Joseph A. Cushman
View of a specimen of Amphistegina lessonii (d'Orbigny, 1843)
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. Smithsonian Institution United States National Museum Bulletin 104. Plate 16, Fig. 1-3
dataset number: FEU-1013112