Hemicystodinium parvum

"parvum" Huang Tsengchieng, 1981, p.50, pl.2, figs.1–2.  Holotype: Huang Tsengchieng, 1981, pl.2, figs.1–2.  NOW Polysphaeridium.  Originally Hemicystodinium, subsequently (and now) Polysphaeridium.  Age: Miocene.

Parent: Hemicystodinium