Kallosphaeridium nigeriense Jan du Chêne et al., 1985a, p.12, pl.4, figs.1-13.
TYPE: Holotype: Jan du Chêne et al., 1985a, pl.4, figs.1-3. AGE: Late Paleocene (Thanetian)-Early Eocene (Ypresian).
Infraspecific taxa: Go up one level. DINOFLAJ (c) 1998 |