Xanthioisthmus panduraeformis (Pantocsek) Suto (2006)
Comment: Typical peanut-shaped valve of this resting spore taxon.
Locality: Deep Sea Drilling Project Hole 206 (New Caledonia Basin, southwest Pacific), sample: 21-206-17-5, 98-100 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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