sand star
... that the sand star can move across the seabed at the fast speed of 280 centimetres (9.2 ft) per minute?
... that the <b id="mwEIw"><a href="./Luidia_foliolata" id="mwEI0" rel="mw:WikiLink" title="Luidia foliolata">sand star</a></b> can move across the <a href="./Seabed" id="mwEI4" rel="mw:WikiLink" title="Seabed">seabed</a> at the fast speed of <span about="#mwt58" data-mw='{"parts":[{"template":{"target":{"wt":"convert","href":"./Template:Convert"},"params":{"1":{"wt":"280"},"2":{"wt":"cm"},"3":{"wt":"ft"}},"i":0}}]}' id="mwEI8" typeof="mw:Transclusion">280 centimetres (9.2</span><span about="#mwt58" typeof="mw:Entity"> </span><span about="#mwt58">ft)</span> per minute?