Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Classis: †Galeaspida
Superordo: †Polybranchiaspidida
Ordo: †Polybranchiaspidiformes
Familia: †Polybranchiaspididae
Genus: †Siyingia
Species:

†S. altuspinosa – †S. perlatuspinosa

Name

†Siyingia Wang & Wang, 1982

Etymology: .

References

  • Wang, N. & Wang, J., 1982: On the polybranchiaspid agnatha and the phylogenetical position of polybranchiaspiformes. Vertebrata Palasiatica, 20 (2): 99-105.
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