Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Heterokonta
Ochrophyta (Heterokontophyta)
Fragilariophyceae
Fragilariales
Fragilariaceae
Porannulus
Porannulus contentus (67864276)
Children (1 direct children, 1 direct and indirect children):
Porannulus contentus var. circulus