Hystrichosphaeridium coelenteratum
From dinoflaj2
"coelenteratum" Tasch in Tasch et al., 1964, p.195, pl.2, fig.11. Holotype: Tasch et al., 1964, pl.2, fig.11. Originally Hystrichosphaeridium, subsequently Oligosphaeridium?. Taxonomic senior synonym: Hystrichosphaeridium (now Oligosphaeridium) albertense, by implication in Stover and Evitt (1978, p.69), who considered Hystrichosphaeridium coelenteratum to be a taxonomic junior synonym of Hystrichosphaeridium (subsequently Oligosphaeridium) irregulare, which is now a taxonomic junior synonym of Hystrichosphaeridium (now Oligosphaeridium) albertense. Age: Albian.
Parent: Hystrichosphaeridium