Cestodiscus spinifer (Grove & Sturt) Fenner (1981)
Comment: Medium-sized, well-preserved, slightly malformed valve.
Locality:
Locality unknown. The Natural History Museum slide BM coll. Adams M89 (age unknown).
Photographed using: Zeiss Axio.A1, Plan-APOCHROMAT 100×/1.4 Oil DIC + Zeiss AxioCam ICc 5. Stacked using Helicon Focus.
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