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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

Prionechinus (18605994)

Children (6 direct children, 6 direct and indirect children):

Prionechinus sagittiger

Prionechinus forbesianus

Prionechinus agassizii

Prionechinus sculptus

Prionechinus duvergieri

Prionechinus salomacensis