Names where authority is Okada

Class: Amphibia
- Order: Anura
  - Family: Bufonidae
    - Genus: Bufo
      - Species: Bufo gargarizans Cantor, 1842
        
        Synonym: Bufo bufo miyakonis Okada, 1931
      - Species: Bufo japonicus Temminck and Schlegel, 1838
        
        Synonym: Bufo bufo hokkaidoensis — Okada, 1966
        
        Synonym: Bufo bufo montanus — Okada, 1966
        
        Synonym: Bufo bufo yakushimensis — Okada, 1966
        
        Synonym: Bufo vulgaris formosus — Okada, 1931
        
        Synonym: Bufo vulgaris hokkaidoensis Okada, 1928
        
        Synonym: Bufo vulgaris montanus Okada, 1937
        
        Synonym: Bufo vulgaris yakushimensis Okada, 1928
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Hyla
        
        Species: Hyla japonica Günther, 1859
        
        Synonym: Hyla arborea stepheni — Okada, 1928
  - Family: Ranidae
    - Genus: Pelophylax
      - Species: Pelophylax chosenicus (Okada, 1931)
        
        Synonym: Rana nigromaculata chosenica Okada, 1931
        
        Synonym: Rana nigromaculata coreana Okada, 1928
      - Species: Pelophylax porosus (Cope, 1868)
        
        Synonym: Rana brevipoda — Okada, 1966
    - Genus: Rana
      - Species: Rana coreana Okada, 1928
        
        Synonym: Rana temporaria coreana Okada, 1928
      - Species: Rana japonica Boulenger, 1879
        
        Synonym: Rana temporaria martensi — Okada, 1931
      - Species: Rana tagoi Okada, 1928
  - Family: Rhacophoridae
    - Subfamily: Buergeriinae
      - Genus: Buergeria
        
        Species: Buergeria robusta (Boulenger, 1909)
        
        Synonym: Rhacophorus robustus — Okada, 1927
    - Subfamily: Rhacophorinae
      - Genus: Rhacophorus
        
        Species: Rhacophorus arboreus (Okada and Kawano, 1924)
        
        Synonym: Rhacophorus schlegelii var. arborea — Okada, 1928
        
        Synonym: Rhacophorus schlegelii var. intermedia — Okada, 1928
        
        Species: Rhacophorus owstoni (Stejneger, 1907)
        
        Synonym: Rhacophorus owstoni — Okada, 1931
        
        Species: Rhacophorus viridis (Hallowell, 1861)
        
        Synonym: Rhacophorus viridis — Okada, 1966
- Order: Caudata
  - Family: Hynobiidae
    - Genus: Hynobius
      - Species: Hynobius sonani (Maki, 1922)
        
        Synonym: Hynobius sonani — Okada, 1934

Amphibian Species of the World 5.6, an Online Reference

Names where authority is Okada