Hystrichodinium pulchrum

*pulchrum Deflandre, 1935, p.229–230, pl.5, fig.1; text-figs.9–11.  Holotype: Deflandre, 1935, pl.5, fig.1; text-figs.9–11; Deflandre, 1936b, pl.8, figs.3–4,7.  A full description was given in Deflandre (1936b, p.182–184).  Sarjeant (1966b, p.141) speculated that this species might be a junior synonym of Xanthidium (now Exochosphaeridium?) spinosum.  Age: Late Cretaceous.

Parent: Hystrichodinium

Infrataxon List:

Hystrichodinium pulchrum subsp. areatum
Hystrichodinium pulchrum subsp. densispinum
Hystrichodinium pulchrum subsp. globosum
Hystrichodinium pulchrum subsp. pulchrum
"Hystrichodinium pulchrum var. densispinum"
"Hystrichodinium pulchrum var. globosum"
"Hystrichodinium pulchrum var. pulchrum"