Dorsennidium hyalodermum Appendix A
From dinoflaj2
hyalodermum (Cookson, 1956, p.188-189, pl.1, figs.12-16) Sarjeant and Stancliffe, 1994, p.40. Holotype: Cookson, 1956, pl.1, fig.12. Originally Palaeotetradinium, subsequently Veryhachium (Appendix A), thirdly Goniosphaeridium (Appendix A), fourthly (and now) Dorsennidium. Age: Albian-Cenomanian.
Parent: Dorsennidium
