Rossiella symmetrica Fenner (1984)
Comment: Small valve with part of the lower pole missing.
Locality: Ocean Drilling Program Hole 959A (Côte d'Ivoire-Ghana Marginal Ridge, eastern tropical Atlantic), sample: 159-959A-40X-3, 20-22 cm (late Oligocene).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
Direct link to this page: https://fossil-diatoms.com/atlas/entry/166