Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Khakista (Diatomista)
Bacillariophyceae
Thalassiophysales
Catenulaceae
Amphora (Amphora (diatom))
Children (1 direct children, 1 direct and indirect children):
Amphora arcus var. sulcata