Fissurina castanea  (Flint, 1899)       

Class: Nodosariata  Subclass: Nodosariana  Order: Lagenida  Family: Ellipsolagenidae

found on Gulf of Naples   Mediterranean Sea   Italy   
Procida, exact locality see source

Geological Time: Quaternary  Holocene  recent
recent

The drawings are extracted by Klaus Breitenbach from the source mentioned below.
The identifications are updated by Michael Hesemann from those of Paul Buchner

View of a specimen of Fissurina castanea (Flint, 1899)


The identification is based upon:
Buchner, P., 1940: Die Lagenen des Golfes von Neapel und der marinen Ablagerungen auf Ischia. (Beiträge zur Naturgeschichte der Insel Ischia). in Nova Acta Leopoldina. Kaiserlich-Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher. 9(62) Plate 29, Fig. 369