Hemicystodinium taiwanianum
From dinoflaj2
"taiwanianum" Huang Tsengchieng, 1981, p.50, pl.2, figs.3-4. Holotype: listed but illustration not specified. NOW Polysphaeridium. Originally Hemicystodinium, subsequently (and now) Polysphaeridium. Age: Miocene.
Parent: Hemicystodinium