Gregorius rexi

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: †Euchondrocephali
Familia: †Gregoriidae
Genus: †Gregorius

Species: †Gregorius rexi

Name

†Gregorius rexi Lund & Grogan, 2004

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

• The Paleobiology Databas