Atlantic paper mussel
... that the Atlantic paper mussel has been found growing at densities of over 3000 per square metre (11 sq ft)?
... that the <b id="mwBuI"><a href="./Amygdalum_papyrium" id="mwBuM" rel="mw:WikiLink" title="Amygdalum papyrium">Atlantic paper mussel</a></b> has been found growing at densities of over 3000 per square metre <span about="#mwt33" class="nowrap" data-mw='{"parts":[{"template":{"target":{"wt":"nowrap","href":"./Template:Nowrap"},"params":{"1":{"wt":"(11 sq ft)?"}},"i":0}}]}' id="mwBuQ" typeof="mw:Transclusion">(11 sq ft)?</span>