Spinidinium microceratum
From dinoflaj2
"microceratum" Stanley, 1965, p.227-228, pl.22, figs.5-6. Holotype: Stanley, 1965, pl.22, fig.6. Taxonomic senior synonym: Spinidinium (now Magallanesium) densispinatum, according to Stone (1973, p.53-54). Age: Paleocene.
Parent: Spinidinium
