Sentusidinium "aptiensis" (Burger, 1980a, p.76, pl.23, figs.1,5; pl.24, fig.1) Kumar, 1986a, p.32.
Holotype: Burger, 1980a, pl.23, fig.1; Fauconnier and Masure, 2004, pl.63, figs.11–12.
NOW Pilosidinium. Originally Tenua Eisenack, subsequently Sentusidinium, thirdly Batiacasphaera, fourthly (and now) Pilosidinium.
Taxonomic junior synonym: Tenua (as Sentusidinium) microrobusta, according to Backhouse (1988, p.107).
Age: Aptian.