Impletosphaeridium clavus

clavus Wrenn and Hart, 1988, p.356–357, fig.27, nos.10–11,13.  Emendation: Bowman et al., 2013, p.155,157.  Holotype: Wrenn and Hart, 1988, fig.27, nos.11,13.  N.I.A.  Age: late Paleocene–Eocene.

Parent: Impletosphaeridium