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Appendix A

Veryhachium hyalodermum

"Veryhachium hyalodermum" (Cookson, 1956, p.188-189, pl.1, figs.12-16) Schaarschmidt, 1963, p.62-63.

TYPE: Holotype: Cookson, 1956, pl.1, fig.12.

HISTORY: NOW: Dorsennidium (Appendix A). Originally Palaeotetradinium, subsequently Veryhachium, thirdly Gorgonisphaeridium (Appendix A), fourthly (and now) Dorsennidium (Appendix A).

AGE: Albian-Cenomanian.


Infraspecific taxa:


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