Nikkasauridae is a family of

biarmosuchian Biarmosuchians are an extinct clade of non-mammalian synapsids from the Permian. They are the most basal group of the therapsids. All of them were moderately-sized, lightly-built carnivores, intermediate in form between basal sphenacodont "pelyco ...

therapsids. It contains two

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nomenclat ...

'' Nikkasaurus'' and '' Reiszia''.Kemp, Thomas Stainforth (2005). ''The Origin and Evolution of Mammals''. .

References

Biarmosuchians Prehistoric therapsid families {{paleo-therapsid-stub