Tityrosphaeridium latispinosum

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"?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