Sceptroneis praecaducea Hajós & Stradner (1975)
Comment: Short valve with a characteristic central inflation, and an inflated pole bearing a well-preserved pore field.
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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