Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Khakista (Diatomista)
Bacillariophyceae
Centrales (Class coscinodiscophyceae)
Biddulphiophycidae
Hemiaulaceae
Children (3 direct children, 3 direct and indirect children):
Bicornis incisus
Bicornis kittonii
Bicornis pyxilloides