Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Halvaria
Alveolate (Alveolata)
Dinozoa
Dinoflagellata (Dinoflagelate)
Dinophyceae
Gymnodiniales
Ptychodiscaceae

Ptychodiscus (25364732)

Children (2 direct children, 2 direct and indirect children):