Mesacmaea mitchellii
... that the sea anemone Mesacmaea mitchellii uses the base of its column to burrow into the sediment?
... that the sea anemone <i id="mwBzc"><b id="mwBzg"><a href="./Mesacmaea_mitchellii" id="mwBzk" rel="mw:WikiLink" title="Mesacmaea mitchellii">Mesacmaea mitchellii</a></b></i> uses the base of its column to burrow into the sediment?