Actinoptychus intermedius Schmidt (1896)
Comment: Medium-sized, well-preserved valve showing a complex pattern of valve face undulations typical of this species.
Locality: Deep Sea Drilling Project Hole 386 (Bermuda Rise, western North Atlantic), sample: 43-386-15R-3, 62-63 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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