Impletosphaeridium pycnospinosum
From dinoflaj3
"pycnospinosum" Benedek, 1972, p.32, pl.12, fig.14. Emendation: Benedek and Sarjeant, 1981, p.343–344, as Lingulodinium pycnospinosum. Holotype: Benedek, 1972, pl.12, fig.14; Benedek and Sarjeant, 1981, fig.10, no.1. NOW Lingulodinium. Originally Impletosphaeridium, subsequently Lingulodinium?, thirdly (and now) Lingulodinium. Age: middle-late Oligocene.
Parent: Impletosphaeridium