CitharognathusCitharognathus is a genus of Asian tarantulas that was first described by Reginald Innes Pocock in 1895. it contains two species: C. hosei and C. tongmianensis.DiagnosisThey can be distinguished by their clypeus, which is less than the with of the eye group. The leg 4 is also distinctly thicker and longer than leg 1.