Tityrosphaeridium latispinosum

"?latispinosum" (Davey and Williams, 1966b, p.88, pl.5, fig.8) Sarjeant, 1981, p.121.  Holotype: Davey and Williams, 1966b, pl.5, fig.8; Bujak et al., 1980, pl.8, figs.7–9.  NOW Achilleodinium.  Originally Cordosphaeridium, subsequently (and now) Achilleodinium, thirdly Tityrosphaeridium?.  Questionable assignment: Sarjeant (1981, p.121).  Age: early Eocene.

Parent: Tityrosphaeridium