Rhachitomi
... that Rhachitomi, a group of temnospondyl amphibians, was established as a clade in 2013?
... that <b id="mwDhA"><a href="./Rhachitomi" id="mwDhE" rel="mw:WikiLink" title="Rhachitomi">Rhachitomi</a></b>, a group of <a class="mw-redirect" href="./Temnospondyl" id="mwDhI" rel="mw:WikiLink" title="Temnospondyl">temnospondyl</a> <a href="./Amphibian" id="mwDhM" rel="mw:WikiLink" title="Amphibian">amphibians</a>, was established as a <a href="./Clade" id="mwDhQ" rel="mw:WikiLink" title="Clade">clade</a> in 2013?