Pareiasauromorpha
... that the group Pareiasauromorpha includes parareptiles that lived from 271 to 252 million years ago?
... that the group <b id="mwAlE"><a href="./Pareiasauromorpha" id="mwAlI" rel="mw:WikiLink" title="Pareiasauromorpha">Pareiasauromorpha</a></b> includes <a href="./Parareptilia" id="mwAlM" rel="mw:WikiLink" title="Parareptilia">parareptiles</a> that lived from 271 to 252 million years ago?