Auliscus propinquus Grove & Sturt (1887)
Comment: Small valve with a well-preserved ring of spinules along the valve margin. The elevated part of the valve face is pierced by fine perforations, occasionally interrupted by ridges and spinules.
Locality: Cormack's Siding, Oamaru, New Zealand, sample: Cormack's Siding (Eocene-Oligocene Transition).
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/247