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Biota (Life)
Eukaryote (Eukarya)
Chromista
Bacillariophyta
Coscinodiscophyceae (Centricae)
Coscinodiscales
Hemidiscaceae
Actinocyclus (Actinocyclus (diatom))
Actinocyclus ellipticus

Actinocyclus ellipticus var. ceolatus (68381723)