Similodonta
... that one species of the extinct bivalve Similodonta was found 108.90 metres (357.3 ft) down a Welsh borehole?
... that one species of the extinct bivalve <i id="mwApc"><b id="mwApg"><a href="./Similodonta" id="mwApk" rel="mw:WikiLink" title="Similodonta">Similodonta</a></b></i> was found <span about="#mwt20" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"108.90"},"2":{"wt":"m"},"3":{"wt":"ft"}},"i":0}}]}' id="mwApo" typeof="mw:Transclusion">108.90 metres (357.3</span><span about="#mwt20" typeof="mw:Entity"> </span><span about="#mwt20">ft)</span> down a Welsh borehole?