This Middle Jurassic (Bathonian) foram is named after Posada, the Sardinian town near which it was found. The test is slightly more than 1 mm long. Image courtesy of Luca Giusberti, University of Padua. This image originally appeared in J. Foram. Res. 33:211-218, and is used with permission.
This view clearly shows the chamber arrangement of the test. Image courtesy of Luca Giusberti, University of Padua. This image originally appeared in J. Foram. Res. 33:211-218, and is used with permission.