Siyingia

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

†S. altuspinosa – †S. perlatuspinosa

Name

†Siyingia Wang & Wang, 1982

• Type species: †Siyingia altuspinosa 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. Reference page.