Subtilisphaera "cheit" Below, 1981a, p.126–127, pl.9, figs.23–24; text-fig.85. Holotype: Below, 1981a, pl.9, fig.23; Fensome et al., 1991, fig.1 — p.611. NOW Palaeohystrichophora. Originally Subtilisphaera, subsequently (and now) Palaeohystrichophora Age: Aptian–Vraconian.