Actinoptychus splendens (Shadbolt) Ralfs in Pritchard (1861)
Comment: A large, intact valve with ten pairs of alternating raised and depressed sectors.
Locality: Bory, Levice District, Slovakia, The Natural History Museum slide BM 35050 (early Miocene).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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