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Biota (Life)
Eukaryote (Eukarya)
Podiata
Unikont (Unikonta)
Opisthokont (Opisthokonta)
Holozoa
Filozoa
Apoikozoa (Choanozoa)
Animal (Animalia)
Metazoa
Epitheliozoa
Eumetazoa
Bilateria
Nephrozoa (Eubilateria)
Protostome (Protostomia)
Ecdysozoa (Ecdysozoan)
Panarthropoda
Tactopoda
Arthropoda (Arthropod)
Trilobitomorpha
Trilobita (Trilobites)
Librostoma
Ptychopariida

Ptychopariidae (7257152)

Children (8 direct children, 9 direct and indirect children):

Ptychoparia

Weijiaspis

Austinvillia

Paleonelsonia

Gunnia (tree size 1)

Ptychopariinae

Poulsenia

Querandinia