Tongue  muscle  which  is  NOT  developed  from  occipital myotome:
Tongue muscles develop from occipital myotomes except palatoglossus, which develop in pharyngeal arches. 
All tongue muscles are supplied by hypoglossal nerve except palatoglossus (supplied by the vagus accessory complex).
Styloglossus
Hyoglossus
Genioglossus
Palatoglossus