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Aulacoseira granulata

Aulacoseira granulata (Ehrenberg) Simonsen, 1979

Invalid synonym: Melosira granulata

• Modern species
• Habitat: Freshwater

• Classification
• kingdom Chromista, phylum Ochrophyta, class Bacillariophyceae, order Aulacoseirales, family Aulacoseiraceae, genus Aulacoseira

• Distribution
• Miocene-Pliocene: Nagano
• Pleistocene: Tochigi, Okayama

• Distribution
• A. g. var. angustissima