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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
Polyptychitidae
Tolliinae

Nikitinoceras (23838848)

Children (10 direct children, 10 direct and indirect children):

Nikitinoceras diptychum

Nikitinoceras borealis

Nikitinoceras intermedium

Nikitinoceras syzranicum

Nikitinoceras variisculptum

Nikitinoceras triptychiformis

Nikitinoceras hoplitoides

Nikitinoceras euriptychoides

Nikitinoceras inflatum

Nikitinoceras mokschensis