Hupehsuchia
... that an unnamed member of the extinct order Hupehsuchia exhibited an unusual form of polydactyly that is similar to that of some early tetrapods of the Devonian period?
... that an unnamed member of the extinct <a href="./Order_(biology)" id="mwFHY" rel="mw:WikiLink" title="Order (biology)">order</a> <b id="mwFHc"><a href="./Hupehsuchia" id="mwFHg" rel="mw:WikiLink" title="Hupehsuchia">Hupehsuchia</a></b> exhibited an unusual form of <a href="./Polydactyly" id="mwFHk" rel="mw:WikiLink" title="Polydactyly">polydactyly</a> that is similar to that of some early <a href="./Tetrapod" id="mwFHo" rel="mw:WikiLink" title="Tetrapod">tetrapods</a> of the <a href="./Devonian" id="mwFHs" rel="mw:WikiLink" title="Devonian">Devonian</a> period?