Pyrgo denticulata (Brady, 1884)

Figure 20.3

1884 Biloculina ringens (Lamarck) var. denticulata Brady, p. 143, pl. 3, figs. 4-5.

2012 Pyrgo denticulata (Brady); Debenay, p. 117.

Description. Test subcircular, wall porcelaneous, surface smooth; chambers biconvex, biloculine chamber arrangement, coiling involute, peripheral margin broadly rounded, aboral margin serrated; aperture terminal, ovate, large opening, bordered by a rim, with a prominently broad T- shaped tooth.