Strangulonema barbadense Greville (1865)
Comment: Part of a chain, comprising a complete frustule (below) with an attached single valve of (top).
Locality: Springfield, Barbados, The Natural History Museum slide BM coll. Adams GC2857 (middle Eocene).
Photographed using: Zeiss Axioplan, Plan-NEOFLUAR 40×/0.75 + Zeiss AxioCam MRc. Stacked using Helicon Focus.
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