Nerve supply of the mucosa of larynx, from epiglottis to the level of the cords is :
Superior laryngeal
External laryngeal
External laryngeal and recurrent laryngeal
Internal laryngeal and recurrent laryngeal
The larynx is innervated bilaterally by the superior laryngeal nerve (supplies mucosa from the epiglottis to the level of the cords) and the recurrent laryngeal nerve (supplies mucosa below the cords), both branches of the vagus nerve (CN X)..