Hystrichodinium pulchrum var. densispinum Deflandre, 1936

Now Hystrichodinium pulchrum ssp. densispinum. Originally Hystrichodinium pulchrum var. densispinum, subsequently (and now) Hystrichodinium pulchrum ssp. densispinum.

Holotype: Deflandre, 1936, pl.9, fig.30
Age: Senonian