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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)
Ammonitida
Ammonitina
Hildoceratoidea (Hildocerataceae)
Hildoceratidae

Protogrammoceratinae (23833054)

Children (12 direct children, 41 direct and indirect children):

Neofuciniceras

Eofuciniceras

Protogrammoceras (tree size 20)

Neoprotogrammoceras

Eoprotogrammoceras

Bassaniceras

Paltarpites

Argutarpites (tree size 1)

Nagaoceras

Lioceratoides (tree size 6)

Platyharpites (tree size 1)

Neolioceratoides (tree size 1)