Hystrichosphaeridium oligacanthum
From dinoflaj2
"oligacanthum" Wetzel, 1952, p.402-405, pl.A, figs.4,7-8,11a-b; text-figs.21-25. Emendation: Wilson and Sarjeant in Sarjeant, 1984c, p.128, as Laticavodinium oligacanthum. Holotype: Wetzel, 1952, pl.A, fig.8; Sarjeant, 1984c, pl.2, figs.4-5; text-fig.2; Fensome et al., 1995, figs.1-5 - p.1625; Dietz et al., 1999, text-fig.6g. NOW Impletosphaeridium?. Originally Hystrichosphaeridium, subsequently Baltisphaeridium (Appendix A), thirdly Cleistosphaeridium?, fourthly Laticavodinium, fifthly (and now) Impletosphaeridium?. Age: Danian.
Parent: Hystrichosphaeridium
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