Dorsennidium hyalodermum Appendix A

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_Appendix A