Related how?
Biota
(Life)
Eukaryote
(Eukarya)
Chromista
Bacillariophyta
Coscinodiscophyceae
(Centricae)
Coscinodiscales
Hemidiscaceae
Actinocyclus
(Actinocyclus (diatom))
Actinocyclus nebulosus
Actinocyclus nebulosus var. spiralis (
68381832
)