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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)
Chordata (Chordates)
Olfactores
Craniata (Craniata (chordata))
Vertebrata (Animals with backbone)
Conodonta (Conodonts)
Prioniodontida (Complex conodonts)
Ozarkodinida
Ozarkodinina
Polygnathacea

Polygnathidae (25095769)

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

Streptognathodus

Polygnathus

Cavusgnathus

Palmatolepinae