Trinacria anissimovii Jousé (1949)
Comment: Large, moderately well-preserved valve with a distinctly raised valve face center, and damaged tips of the polar projections.
Locality: Deep Sea Drilling Project Hole 275 (Campbell Plateau, southwest Pacific), sample: 29-275-2-4, 140-142 cm (Late Cretaceous).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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