Disphaerogena irregularis

irregularis (Wilson, 1988, p.16, pl.4, figs.4–5,7a–b) Lentin and Williams, 1993, p.195.  Holotype: Wilson, 1988, pl.4, figs.7a–b; Fensome et al., 1996, figs.1–2 — p.2173.  Originally Cyclapophysis, subsequently (and now) Disphaerogena.  Age: middle Eocene.

Parent: Disphaerogena