Hemiaulus oreshkinae Witkowski (2022)
Comment: Unusually long valve. Despite the overall good preservation some of the key features are missing: for instance, there should be a wing-shaped process on the raised central part of the valve.
Locality: Deep Sea Drilling Project Hole 6 (Bermuda Rise, western North Atlantic), sample: 1-6-4R-1, 57-63 cm (middle Eocene).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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