Hemicystodinium taugourdeaui
From dinoflaj2
"?taugourdeaui" (Varma and Dangwal, 1964, p.68, pl.2, fig.9) Sarjeant and Stover, 1978, p.51. Holotype: Varma and Dangwal, 1964, pl.2, fig.9. Originally Tenua Eisenack, subsequently Hemicystodinium?, thirdly Batiacasphaera. Taxonomic senior synonym: Polysphaeridium subtile, according to Lentin and Williams (1993, p.275). Taxonomic senior synonym: Hystrichosphaeridium (now Polysphaeridium) zoharyi, according to Lentin and Williams (1981, p.26,127) - however, Tenua taugourdeaui is now considered a taxonomic junior synonym of Polysphaeridium subtile. Questionable assignment: Sarjeant and Stover (1978, p.51). Age: Eocene-Oligocene.
Parent: Hemicystodinium