Auliscus oamaruensis Grove & Sturt (1887)
Comment: A large, well-preserved valve with minor parts of the margin missing.
Locality: Oamaru, New Zealand, The Natural History Museum slide BM 46556 (from the original Grove & Sturt study), material presumably from Cormack's Siding (Eocene-Oligocene Transition).
Photographed using: Zeiss Axioplan, Plan-NEOFLUAR 20×/0.5 + Zeiss AxioCam MRc. Stacked using Helicon Focus.
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