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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)
Mandibulata
Tracheata
Uniramia
Pancrustacea
Crustacea (Crustaceans)
Maxillopoda (Maxillopod)
Thecostraca
Barnacle (Cirripedia)
Thoracica
Pedunculata (Stalked barnacle)

Oxynaspididae (18196371)

Children (4 direct children, 41 direct and indirect children):

Oxynaspis (tree size 20)

Minyaspis (tree size 15)

Scleraspis (tree size 1)

Archoxynaspis (tree size 1)