All the muscles of the larynx are supplied by the recurrent laryngeal nerve, EXCEPT:
All the intrinsic muscles of the larynx are supplied by the recurrent laryngeal nerve except for cricothyroid, which is supplied by the external laryngeal nerve.Ref: Gray's anatomy 40th edition, Chapter 36.
Cricothyroid
Salpingopharyngeus
Stylopharyngeus
None of the above