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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
Neognathostomata
Pygaulidae

Plagiochasma pomel (7200488)

Children (4 direct children, 4 direct and indirect children):

Plagiochasma coxwellense

Plagiochasma lammersmaxi

Plagiochasma nadorense

Plagiochasma texanum