Hyalosphaera ephemera
From dinoflaj2
"*ephemera" Prauss, 1989, p.23-24, pl.5, figs.11-12,15-18; text-fig.6. Holotype: Prauss, 1989, pl.5, fig.11; text-fig.6. NOW Praussia. Originally Hyalosphaera (generic name illegitimate), subsequently (and now) Praussia. Following I.C.B.N. Article 55.1, the species name Hyalosphaera ephemera is validly published, even though the generic name Hyalosphaera Prauss is illegitimate. Age: Late Toarcian-early Aalenian.
Parent: Hyalosphaera_Prauss 1989_Prauss 1989