Martinottiella cylindrica (d’Orbigny, 1852)

Figure 16.2-3

1852 Clavulina cylindrica d’Orbigny, p. 194.

2012 Clavulina cylindrica (Cushman); Milker and Schmiedl, p. 42, fig. 11.7.

Description. Test elongate, side view cylindrical, basal view subtriangular, wall coarsely agglutinated, surface rough; chambers triserially arranged initially, later subglobular, uniserially arranged, cylindrical in the final stage; sutures distinct, horizontal, and depressed; aperture terminal, a circular opening at the end of a short neck.