Gregorius rexi
Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: ParaHoxozoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Olfactores
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: †Euchondrocephali
Familia: †Gregoriidae
Genus: †Gregorius
Species: †Gregorius rexi
Name
References
- Lund, R. & Grogan, E. 2004. Five new euchondrocephalan Chondrichthyes from the Bear Gulch Limestone (Serpukhovian, Namurian E2b) of Montana, USA. In Arratia, G., Wilson, M.V.H. & Cloutier, R. (eds.) Recent Advances in the Origin and Early Radiation of Vertebrates 505–531. Reference page.
Links
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