Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Deuterostome (Deuterostomia)
Echinodermata (Echinoderms)
Echinozoa
Holothuroidea (Sea cucumbers)
Dendrochirotida
Paracucumidae
Children (3 direct children, 3 direct and indirect children):
Crucella hystrix
Crucella scotiae
Crucella susannae