Dinogymnium heterocostatum
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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: