Apectodinium homomorphum subsp. tesselatum
From dinoflaj2
"subsp. tesselatum" Châteauneuf and Gruas-Cavagnetto, 1978, p.65-66, pl.1, figs.1-2. Holotype: Châteauneuf and Gruas-Cavagnetto, 1978, pl.1, figs.1-2. NOW Wilsonidium tesselatum. Originally Apectodinium homomorphum subsp. tesselatum, subsequently (and now) Wilsonidium tesselatum. Age: Early Eocene. Parent: Apectodinium homomorphum