Abas wittii (Grunow) Ross & Sims (1980)
Comment: Two valves linked (actually fused) by prominent hyaline polar elevations curved inward. Note the arrow-shaped process characteristic of this species. The lower valve has a large girdle element attached.
Locality:
DODO dredging 123-D1 (Mascarene Ridge, Indian Ocean), The Natural History Museum slide BM 78349 (middle Eocene).
Photographed using: Zeiss Axioplan, Plan-NEOFLUAR 40×/0.75 + Zeiss AxioCam MRc. Stacked using Helicon Focus.
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