Neoeponides margaritifer (Brady, 1881)
Figure 8.13-15
1881 Truncatulina margaritifera Brady, p. 66.
2001 Heterolepa margaritifera (Brady); Szarek, p. 145, pl. 25, figs. 4-7.
2012 Heterolepa margaritifera (Brady); Debenay, p. 199.
Description. Test biconvex, wall calcareous, well perforated, surface richly ornamented with pustules; chambers many, trochospirally arranged, coiling evolute on the spiral side, involute on the umbilical side; periphery rounded, margin subcarinate and very slightly lobulate, sutures distinct on either side, marked with pustules; aperture interiomarginal, umbilical, small slit, bordered by a lip.