Costopyxis schulzii (Steinecke) Gleser (1984)
Comment: Medium-sized valve, strongly constricted between the margin and the dome. Note that the diameter of the margin exceeds the diameter of the dome.
Locality: Eidsbotn Fjord, Devon Island, Nunavut, Canada, sample: EF0103 (Late Cretaceous).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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