Hystrichosphaeridium reniforme
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"reniforme" Tasch in Tasch et al., 1964, p.193, pl.2, fig.6. Holotype: Tasch et al., 1964, pl.2, fig.6. Originally Hystrichosphaeridium, subsequently Oligosphaeridium. Taxonomic senior synonym: Hystrichosphaeridium (now Oligosphaeridium) albertense, by implication in Stover and Evitt (1978, p.69), who considered Hystrichosphaeridium reniforme 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
