Triceratium blanditum Greville (1861)
Comment: Small valve with capitate poles. Note that this species was originally described as a member of the genus Triceratium, but should be placed in a different genus.
Locality: Ocean Drilling Program Hole 1051B (Blake Nose, western North Atlantic), sample: 171B-1051B-9H-1, 36-37 cm (middle Eocene).
Photographed using: Leica DMLB, Plan-apochromat 100×/1.4 oil + Nikon DS-2. Single image.
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