Batiacasphaera minuta

minuta (Matsuoka, 1983b, p.127, pl.5, fig.6; pl.6, fig.7) Matsuoka and Head, 1992, p.167.  Emendation: Matsuoka and Head, 1992, p.167, as Batiacasphaera minuta.  Holotype: Matsuoka, 1983b, pl.6, fig.7; Matsuoka and Head, 1992, pl.1, figs.1–11; text-figs.1A–C.  Originally Tectatodinium, subsequently (and now) Batiacasphaera.  Head in Head and Wrenn (1992, p.3) and Schreck and Matthiessen (2013, p.295) considered this species to be a possible taxonomic junior synonym of Batiacasphaea micropapillata.  Age: late early–early middle Miocene.

Parent: Batiacasphaera