Dinogymnium hexagonum
From dinoflaj2
?hexagonum (Deflandre-Rigaud, 1954, p.58, text-figs.1-2) Evitt et al., 1967, p.20. Holotype: Deflandre-Rigaud, 1954, text-figs.1-2. Originally Gymnodinium (Appendix B), subsequently Dinogymnium, thirdly (and now) Dinogymnium?. Questionable assignment: Stover and Evitt (1978, p.38) as a problematic species. Age: Campanian-?Maastrichtian.
Parent: Dinogymnium