Perisseiasphaeridium inusitatum

inusitatum Stevens and Helby, 1987, p.179,181, figs.13A-C,14A-G.  Holotype: Stevens and Helby, 1987, figs.14A-B,E-F; Helby et al., 1987, fig.23C; Fensome et al., 1996, figs.1-3,6 - p.2169.  Age: Early Berriasian.

Parent: Perisseiasphaeridium