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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
Ancyloceratina
Turrilitoidea
Diplomoceratidae

Polyptychoceratinae (21291440)

Children (5 direct children, 18 direct and indirect children):

Astreptoceras

Solenoceras (tree size 7)

Pseudoxybeloceras (tree size 3)

Oxybeloceras (tree size 2)

Spiroxybeloceras (tree size 1)