Subtilisphaera ventriosa
From dinoflaj3
"ventriosa" (Alberti, 1959b, p.101, pl.9, figs.14–15) Jain and Millepied, 1973, p.27. Holotype: Alberti, 1959b, pl.9, fig.14; Eisenack and Klement, 1964, p.239; Fensome et al., 1995, fig.1 — p.1895. NOW Cepadinium. Originally Deflandrea, subsequently Subtilisphaera, thirdly (and now) Cepadinium. Taxonomic junior synonym: Cepadinium variabile, by implication in Lister and Batten (1988b, p.43), who considered Cepadinium variabile to be the senior name. Age: early Aptian.
Parent: Subtilisphaera