Tityrosphaeridium fibrospinosum
From dinoflaj2
"?fibrospinosum" (Davey and Williams, 1966b, p.86, pl.5, fig.5) Jain and Garg, 1986a, p.121. Emendation: Davey, 1969c, p.36, as a revised diagnosis for Cordosphaeridium fibrospinosum. Holotype: Davey and Williams, 1966b, pl.5, fig.5; Bujak et al., 1980, pl.7, figs.3,6. NOW Cordosphaeridium. Originally (and now) Cordosphaeridium, subsequently Emmetrocysta?, thirdly Tityrosphaeridium?. Questionable assignment: Jain and Garg (1986a, p.121). Age: Early Eocene.
Parent: Tityrosphaeridium