Wilsonidium compactum Michoux, 1988, p.38-39, pl.9, figs.1-9; pl.10, figs.1-9 (not fig.10); text-figs.13A-B,14.
TYPE: Holotype: Michoux, 1988, pl.9, figs.1-3; text-figs.13A-B.
AGE: Mid Eocene.