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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
Perisphinctoidea
Pachyceratidae

Erymnoceras (23839243)

Children (7 direct children, 7 direct and indirect children):

Erymnoceras coronoides

Erymnoceras doliforme

Erymnoceras baylei

Erymnoceras ajax

Erymnoceras schloenbachi

Erymnoceras nodosum

Erymnoceras coronatum