Odontogriphus
... that the discovery of 189 fossils of the mid-Cambrian Odontogriphus thrust it into the centre of a heated debate about the evolution of molluscs, annelids and brachiopods?
... that the discovery of 189 <a href="./Fossil" id="mwCEs" rel="mw:WikiLink" title="Fossil">fossils</a> of the mid-<a href="./Cambrian" id="mwCEw" rel="mw:WikiLink" title="Cambrian">Cambrian</a> <i id="mwCE0"><b id="mwCE4"><a href="./Odontogriphus" id="mwCE8" rel="mw:WikiLink" title="Odontogriphus">Odontogriphus</a></b></i> thrust it into the centre of a heated debate about the <a href="./Evolution" id="mwCFA" rel="mw:WikiLink" title="Evolution">evolution</a> of <a class="mw-redirect" href="./Mollusc" id="mwCFE" rel="mw:WikiLink" title="Mollusc">molluscs</a>, <a href="./Annelid" id="mwCFI" rel="mw:WikiLink" title="Annelid">annelids</a> and <a href="./Brachiopod" id="mwCFM" rel="mw:WikiLink" title="Brachiopod">brachiopods</a>?