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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
Haplocerataceae (Haploceratoidea)
Oppeliidae

Hecticoceras (9286967)

Children (8 direct children, 8 direct and indirect children):

Hecticoceras puteale

Hecticoceras bonarellii

Hecticoceras pseudopunctatum

Hecticoceras hecticus

Hecticoceras lairense

Hecticoceras chatillonense

Hecticoceras bernense

Hecticoceras matheyi