Wilsonidium tesselatum

"tesselatum" (Châteauneuf and Gruas-Cavagnetto, 1978, p.65–66, pl.1, figs.1–2) Islam, 1983c, p.90.  Holotype: Châteauneuf and Gruas-Cavagnetto, 1978, pl.1, figs.1–2.  NOW Axiodinium tesselatum.  Originally Apectodinium homomorphum subsp. tesselatum, subsequently Wilsonidium tesselatum, thirdly (and now) Axiodinium tesselatum.  Age: early Eocene (Sparnacian).

Parent: Wilsonidium