Tanygnathus
 Tanygnathus is also an obsolete synonym of the beetle genus Atanygnathus.Tanygnathus is a genus of parrots of the Psittaculini tribe.Genus Tanygnathus Great-billed Parrot Tanygnathus megalorynchos Blue-naped Parrot Tanygnathus lucionensis Blue-backed Parrot Tanygnathus sumatranus Black-lored Parrot Tanygnathus gramineus