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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)
Spiralia (Spiralians)
Lophotrochozoa
Mollusca (Molluscs)
Cephalopod (Cephalopods)
Ammonoidea (Ammonoids)
Goniatitida (Goniatite)
Tornoceratina
Prionoceratoidea (Prionocerataceae)
Prionoceratidae

Prionoceratinae (7245374)

Children (4 direct children, 19 direct and indirect children):

Cunitoceras

Prionoceras (tree size 8)

Mimimitoceras (tree size 7)

Globimitoceras