Tapeinosphaeridium pericompsum
From dinoflaj3
"*pericompsum" Ioannides et al., 1977, p.463, pl.5, figs.1–4; text-fig.13. Holotype: Ioannides et al., 1977, pl.5, fig.1. NOW Chytroeisphaeridia. Originally Tapeinosphaeridium, subsequently (and now) Chytroeisphaeridia. Age: middle Kimmeridgian.
Parent: Tapeinosphaeridium