Dinogymnium heterocostatum

heterocostatum (Deflandre, 1936b, p.165–166, pl.2, fig.6) Evitt et al., 1967, p.19–20.  Holotype: Deflandre, 1935, text-fig.6; Deflandre, 1936b, pl.2, fig.6.  Originally Gymnodinium (Appendix B), subsequently (and now) Dinogymnium.  Age: ?Senonian.

Parent: Dinogymnium

Infrataxon List:

Dinogymnium heterocostatum subsp. heterocostatum
Dinogymnium heterocostatum subsp. kolpaschevii