Ifecysta pachyderma
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*pachyderma Jan du Chêne and Adediran, 1985, p.20, pl.15, figs.1-11; text-figs.6a-6i. Holotype: Jan du Chêne and Adediran, 1985, pl.15, figs. 1-2; text-figs.6a-b; Fensome et al., 1995, figs.1-2,6-7 - p.1637. Age: Late Paleocene-Early Eocene.
