Siyingia
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Kingdom: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Classis: †Galeaspida
Superordo: †Polybranchiaspidida
Ordo: †Polybranchiaspidiformes
Familia: †Polybranchiaspididae
Genus: †
Species:
†S. altuspinosa –
†S. perlatuspinosa
Name
- Type species: †Siyingia altuspinosa Wang & Wang, 1982
Etymology: .
References
- Wang, N. & Wang, J. 1982. 记一新的无颌类化石兼论多鳃鱼类的分类地位 [On the polybranchiaspid Agnatha and the phylogenetical position of Polybranchiaspiformes.] Vertebrata PalAsiatica 20(2): 99–105. (in Chinese, with English abstract) PDF. Reference page.