title: Clidoderma
text: # Clidoderma
  
  Clidoderma is a genus of righteye flounders containing one extant species and two described fossil species from Japan.
  
  ## Fossil species
  
  Two fossil species are known from the Miocene of Japan. C. chitaensis Ohe & Kawase 1995 is known from the Yamami formation of the Chita Peninsula and C. yamagataensis Sakamoto, Uyeno & Otsu 2001 known from Yamagata Prefecture.
  
  ## Extant species
  
  There is currently one recognized extant species in this genus:
  
  * Clidoderma asperrimum (Temminck & Schlegel, 1846) (Roughscale sole)
  