Hemiaulus inaequilaterus Gombos (1976)
Comment: Large valve with disproportional polar elevations. The massive polar elevation is straight, the smaller one is slightly curved.
Locality: Ocean Drilling Program Hole 1050A (Blake Nose, western North Atlantic), sample: 171B-1050A-30X-1, 100-101 cm (late Paleocene).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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