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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Sea urchin (Echinoidea)
Euechinoidea
Echinacea (Echinacea (animal))
Phymosomatoida
Phymosomatidae

Cyphosoma agassiz, 1838 (69403414)

Children (9 direct children, 10 direct and indirect children):

Cyphosoma microstoma

Cyphosoma debile

Cyphosoma ribeiroi

Cyphosoma alcantarense

Cyphosoma matheyi

Cyphosoma mortoni

Cyphosoma palaestinense

Cyphosoma riograndensis (tree size 1)

Cyphosoma sanctaeluciae