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Thalassionema sp.

genus Thalassionema Grunow ex Mereschkowsky, 1902

• Modern species: 13.7 - 0.0 Ma
• Habitat: Marine

• Classification
• kingdom Chromista, phylum Ochrophyta, class Bacillariophyceae, order Thalassionematales, family Thalassionemataceae

• Distribution
• Pliocene-Pleistocene: Hokkaido