Abstract
Six new species of dinoflagellate cysts and one new combination from the Paleocene to ?lowermost Eocene succession in the Alo‐I well, southeast Nigeria, are proposed herein. The new species are Achomosphaera quadrata, Diphyes bifidum, Ifecysta fusiforma, Ifecysta heterospinosa, Palaeocystodinium rafii, and Wilsonidium stellatum. Furthermore, Fibrocysta lappacea (Drugg 1970) Stover & Evitt 1978 is transferred to Ifecysta, and the diagnosis of Ifecysta is emended.
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