Apectodinium hyperacanthum

hyperacanthum (Cookson and Eisenack, 1965b, p.134–135, pl.16, figs.3–6) Lentin and Williams, 1977b, p.8.  Holotype: Cookson and Eisenack, 1965b, pl.16, fig.5.  Originally Wetzeliella, subsequently Wetzeliella subgenus Apectodinium, thirdly (and now) Apectodinium.  Costa and Downie (1976, p.609) assigned this species to Wetzeliella subgenus Apectodinium.  Age: Paleocene.

Parent: Apectodinium