Hystrichosphaeridium aruncium
From dinoflaj3
"aruncium" Tasch in Tasch et al., 1964, p.193, pl.3, fig.12. Holotype: Tasch et al., 1964, pl.3, fig.12. Taxonomic senior synonym: Hystrichosphaeridium (as and now Kiokansium) unituberculatum, according to Stover and Evitt (1978, p.267). Age: Albian.
Parent: Hystrichosphaeridium