Muiradinium dorsispirale

*dorsispirale (Churchill and Sarjeant, 1962, p.33, pl.1, fig.18; text-fig.2) Harland and Sarjeant, 1970, p.225.  Holotype: Churchill and Sarjeant, 1962, pl.1, fig.18; text-fig.2.  Originally Gymnodinium (Appendix B), subsequently (and now) Muiradinium.  Age: Holocene.

Parent: Muiradinium