Hystrichosphaeridium monstruosum
From dinoflaj3
"monstruosum" Tasch in Tasch et al., 1964, p.195, pl.1, fig.12. Holotype: Tasch et al., 1964, pl.1, fig.12. Originally Hystrichosphaeridium, subsequently (and now) Diphyes?, thirdly Coronifera. Taxonomic senior synonym: Coronifera oceanica, according to Below (1982c, p.5) — however, Fauconnier in Fauconnier and Masure (2004, p.176) retained Hystrichosphaeridium (as Diphyes?) monstruosum. Age: Albian.
Parent: Hystrichosphaeridium