<prompt> STYLOHYOID muscle is supplied byFacialGlossopharyngealAnsa cervicalVagus  <response>: Stylohyoid is a small muscle supplied by the facial nerve. The action of stylohyoid is to pull the hyoid bone upwards and backwards, and with other hyoid muscles, it also fixes the hyoid bone. Ref: BD Chaurasias HUMAN ANATOMY, Volume 3, 4th edition. 