Related how?

Biota (Life)
Eukaryote (Eukarya)
Chromista
Harosa
Rhizaria
Radiolaria (Radiolarians)
Polycystine (Polycystinea)
Nassellaria
Acanthodesmiacea
Carpocaniidae

Carpocanistrum (25368372)

Children (3 direct children, 3 direct and indirect children):

Carpocanistrum acutidentatum

Carpocanistrum cephalum

Carpocanistrum flosculum