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Cocconeis placentula

Cocconeis placentula Ehrenberg, 1838

• Modern species
• Habitat: Marine, Freshwater

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

• Distribution
• Miocene-Pliocene: Nagano
• Quaternary: Chiba
• Pleistocene: Tochigi

• Subtaxa
• C. p. var. euglypta