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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
Engonoceratoidea
Knemiceratidae

Hypengonoceras (12259305)

Children (5 direct children, 5 direct and indirect children):

Hypengonoceras fauremuretae

Hypengonoceras warthi

Hypengonoceras chouberti

Hypengonoceras decaryi

Hypengonoceras tarfayense