Calcigonellum polymorphum subsp. dentatum
From dinoflaj2
"subsp. dentatum" Keupp, 1980a, p.131, pl.15, figs.13-15; pl.16, fig.1. Holotype: Keupp, 1980a, pl.15, fig.13. NOW Praecalcigonellum polymorphum subsp. dentatum. Originally Calcigonellum polymorphum subsp. dentatum, subsequently (and now) Praecalcigonellum polymorphum subsp. dentatum. Age: Aptian (late Gargasian). Parent: Calcigonellum polymorphum