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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))
Camarodonta
Temnopleuridea
Trigonocidaridae

Arbacina (51486903)

Children (7 direct children, 7 direct and indirect children):

Arbacina monilis

Arbacina tenera

Arbacina mutellaensis

Arbacina blancheti

Arbacina emmae

Arbacina hugueti

Arbacina pareyni