Disphaerogena irregularis
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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: Mid Eocene.
Parent: Disphaerogena