Polysphaeridium multispinosum
From dinoflaj2
"multispinosum" Davey, 1974, p.60, pl.7, fig.4. Holotype: Davey, 1974, pl.7, fig.4. NOW Dapsilidinium. Originally Polysphaeridium, subsequently (and now) Dapsilidinium. Age: Early-Late Barremian.
Parent: Polysphaeridium