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Cocconeis sp.

genus Cocconeis C. G. Ehrenberg, 1837

• Modern species: late Pliocene - Present (3.6 - 0.0 Ma)
• Habitat: Marine, Freshwater

• Classification
• kingdom Chromista, phylum Ochrophyta, class Bacillariophyceae, order Achnanthales, family Cocconeidaceae

• Distribution
• Miocene: Ishikawa, Tochigi
• Miocene-Pleistocene: Nagano
• Pliocene-Pleistocene: Hokkaido, Saitama
• Quaternary: Chiba
• Pleistocene: Ishikawa, Tochigi
• Investigation in progress: Niigata

• Subtaxa
• C. contrerasi
• C. costata
• C. neodiminuta
• C. placentula
• C. thumensis
• C. vitrea