Medlinia duplicata (Schmidt) Sims (1998)
Comment: A large, well-preserved valve. Note the radial markings on the central part of the valve face.
Locality: Smolkovo, Ulyanovsk District, Russia, sample: Hustedt collection sample E1708 (late Paleocene).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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