Rhipaeosauridae

Nycteroleteridae Temporal range: Middle to Late Permian, 270–264 Ma PreЄ Є O S D C P T J K Pg N
Adult and juvenile skulls of Macroleter (=Tokosaurus)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	†Parareptilia
Order:	†Procolophonomorpha
Clade:	†Pareiasauromorpha
Family:	†Nycteroleteridae Romer, 1956
Genera
†Bashkyroleter †"Bashykroleter" mesensis †Nycteroleter †Emeroleter †Macroleter †Rhipaeosaurus

†Bashkyroleter
†"Bashykroleter" mesensis
†Nycteroleter
†Emeroleter
†Macroleter
†Rhipaeosaurus

Nycteroleteridae is a family of procolophonian parareptilians (early extinct reptiles) from the Middle to Late Permian of Russia and North America. They are sister group to pareiasauroids. The group includes the genera Macroleter, Bashkyroleter, "Bashkyroleter" mesensis, Nycteroleter, Emeroleter, and probably Rhipaeosaurus. They are carnivorous, and occasionally eat insects.