Extinct family of therapsids
Nikkasauridae is a family of biarmosuchian therapsids. It contains two genera Nikkasaurus and Reiszia.[1][2][3]
References
- ^ M. F. Ivakhnenko, 2000. The Nikkasauridae-Problematic Primitive Therapsids from the Late Permian of the Mezen Localities. Paleontol. J. 34(Suppl. 2), 179–186.
- ^ M. F. Ivakhnenko. 2008. Podklass Ophiacomorpha. In M. F. Ivakhnenko and E. N. Kurochkin (eds.), Iskopaemye pozvonotchnye Rossii i sopredel'nykh stran: Iskopaemye reptilii i ptitsy, Tchast' 1 [Fossil vertebrates of Russia and adjacent countries: Fossil reptiles and birds, Part 1], GEOS, Moscow 95-100
- ^ Kemp, Thomas Stainforth (2005). The Origin and Evolution of Mammals. ISBN 0-19-850760-7.
.jpg)
