Nikkasauridae
Extinct family of therapsids
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Nikkasauridae is a family of biarmosuchian therapsids. It contains two genera: Nikkasaurus and Reiszia.[1][2][3]
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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.
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