crocodilian
... that a crocodilian can replace each of its teeth up to 50 times during its lifetime?
... that a <b id="mwCv4"><a href="./Crocodilia" id="mwCv8" rel="mw:WikiLink" title="Crocodilia">crocodilian</a></b> can replace each of its <a href="./Tooth" id="mwCwA" rel="mw:WikiLink" title="Tooth">teeth</a> up to 50 times during its lifetime?