Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Khakista (Diatomista)
Bacillariophyceae
Bacillariophycidae
Bacillariophycanae
Naviculales
Pleurosigmataceae
Pleurosigma
Pleurosigma rigidum (62006556)
Children (2 direct children, 2 direct and indirect children):
Pleurosigma rigidum var. incurvatum
Pleurosigma rigidum var. giganteum