Xenascus serpaglii
From dinoflaj2
serpaglii (Corradini, 1973, p.181-182, pl.29, figs.5,7a-b; pl.37, fig.4) Stover and Evitt, 1978, p.88. Holotype: Corradini, 1973, pl.29, figs.7a-b. Originally Phoberocysta, subsequently (and now) Xenascus. Age: Senonian.
Parent: Xenascus