Hystrichosphaeridium cantharellus
From dinoflaj2
"cantharellus" Brosius, 1963, p.40-41, pl.6, fig.1; text-fig.2, nos.11a-c. Holotype: Brosius, 1963, pl.6, fig.1; Fensome et al., 1993a, fig.1 - p.1021. NOW Cordosphaeridium. Originally Hystrichosphaeridium, subsequently (and now) Cordosphaeridium, thirdly Tityrosphaeridium. N.I.A. Age: Late Oligocene.
Parent: Hystrichosphaeridium