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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)
Libristoma
Asaphida
Trinucleina

Trinucleoidea (1324117)

Children (6 direct children, 54 direct and indirect children):

Alsataspididae

Dionididae

Lisaniidae

Raphiophoridae (tree size 30)

Trinucleidae (tree size 18)

Liostracinidae