Veryhachium hyalodermum Appendix A
From dinoflaj2
"hyalodermum" (Cookson, 1956, p.188-189, pl.1, figs.12-16) Schaarschmidt, 1963, p.62-63. Holotype: Cookson, 1956, pl.1, fig.12. NOW Dorsennidium (Appendix A). Originally Palaeotetradinium, subsequently Veryhachium, thirdly Gorgonisphaeridium (Appendix A), fourthly (and now) Dorsennidium (Appendix A). Age: Albian-Cenomanian.
Parent: Veryhachium