Actinodiscus corolla (Brun) Ross & Sims (2000)
Comment: Partly preserved, large valve with six preserved marginal ocelli.
Locality: Oamaru, New Zealand, The Natural History Museum slide Jackson's Paddock (Eocene-Oligocene Transition).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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