Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladus: Lophotrochozoa
Phylum: Mollusca
Classis: Cephalopoda
Subclassis: Nautiloidea
Ordo: †Ellesmerocerida
Genera: Novacaroceras ...
References
Chen, J-Y.; Zou, X-P.; Chen, T-E.; Qi, D-L. 1979: Late Cambrian Ellesmerocerida (Cephalopoda) of north China. Acta palaeontologica sinica, 18: 103–124. [In Chinese with English abstract]
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