Apteodinium australiense
From dinoflaj3
australiense (Deflandre and Cookson, 1955, p.248, pl.5, fig.1) Williams, 1978, p.794. Holotype: Deflandre and Cookson, 1955, pl.5, fig.1. Originally Gymnodinium (Appendix B), subsequently Emslandia (combination not validly published), thirdly Scriniodinium, fourthly (and now) Apteodinium. Taxonomic junior synonym: Emslandia crassimurata, according to Lucas-Clark (1987, p.174). Age: middle Miocene.