Tenua aptiensis
From dinoflaj3
"aptiensis" Burger, 1980a, p.76, pl.23, figs.1,5; pl.24, fig.1. Holotype: Burger, 1980a, pl.23, fig.1; Fauconnier and Masure, 2004, pl.63, figs.11–13. 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.
Parent: Tenua_Eisenack 1958a