Apectodinium williereae
From dinoflaj3
?williereae (Boltenhagen, 1977, p.42–43, pl.3, figs.3a–b,4–6) Lentin and Williams, 1981, p.14. Holotype: Boltenhagen, 1977, pl.3, figs.3a–b. Originally Polysphaeridium, subsequently (and now) Apectodinium?. Questionable assignment: Lentin and Williams (1981, p.14). Age: Paleocene.
Parent: Apectodinium