Tenua microrobusta
From dinoflaj3
"microrobusta" Morgan, 1980, p.33, pl.29, figs.15–16. Holotype: Morgan, 1980, pl.29, figs.15–16. Originally Tenua Eisenack, subsequently Sentusidinium. Taxonomic senior synonym: Tenua (as Batiacasphaera, now Pilosidinium) aptiensis, according to Backhouse (1988, p.107). Age: late Neocomian–late Albian.
Parent: Tenua_Eisenack 1958a