Hayella simplex Bown & Dunkley Jones, 2006
Description: Medium-sized (5-7 µm) circular placoliths with an open, vacant central-area. The shield elements are distinct and show obliquity. The shield image is brighter towards the inner edge.
Remarks:
Holotype: Paratype:
Neogene: Hayella
Paleogene: Hayella simplex