Pyrgupyxis gracilis (Tempère & Forti) Hendey (1969)
Comment: Medium-sized, well-preserved valve.
Locality: Ocean Drilling Program Hole 1050A (Blake Nose, western North Atlantic), sample: 171B-1050A-21X-2, 100-101 (early Eocene).
Photographed using: Zeiss Axio.A1, EC Plan-NEOFLUAR 40×/0.75 + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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