Liradiscus bipolaris Lohman (1984)
Comment: A small valve positioned with the interior facing toward the viewer.
Locality: Ocean Drilling Program Hole 959A (Côte d'Ivoire-Ghana Marginal Ridge, eastern tropical Atlantic), sample: 159-959A-30X-3, 120-121 cm (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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