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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
Irregularia
Atelostomata
Cassiduloida
Apatopygidae

Apatopygus (18594514)

Children (5 direct children, 5 direct and indirect children):

Apatopygus recens

Apatopygus occidentalis

Apatopygus gaudensis

Apatopygus mannumensis

Apatopygus vincentinus