Kallosphaeridium nigeriense

nigeriense Jan du Chêne et al., 1985a, p.12, pl.4, figs.1-13.  Holotype: Jan du Chêne et al., 1985a, pl.4, figs.1-3.  Age: Late Paleocene (Thanetian)-Early Eocene (Ypresian).

Parent: Kallosphaeridium