Names where authority is Jan

Class: Amphibia
- Order: Anura
  - Incertae Sedis: Engystoma guineense Jan, 1857
  - Incertae Sedis: Engystoma inconspicuum Jan, 1857
  - Incertae Sedis: Eupodion Jan, 1857
  - Incertae Sedis: Eupodion triste Jan, 1857
  - Incertae Sedis: Hyla adspersa Jan, 1857
  - Incertae Sedis: Hyla bucephala Jan, 1857
  - Incertae Sedis: Hyla decussata Jan, 1857
  - Incertae Sedis: Hyla scripta Jan, 1857
  - Incertae Sedis: Microhyla bengalensis Jan, 1857
  - Incertae Sedis: Physalus fuscorufus Jan, 1857
  - Incertae Sedis: Physodes Jan, 1857
  - Incertae Sedis: Physodes albiventris Jan, 1857
  - Incertae Sedis: Pyxicephalus fuscomaculatus Jan, 1857
  - Incertae Sedis: Rana oxyrhynca Jan, 1857
  - Family: Bufonidae
    - Genus: Anaxyrus
      - Species: Anaxyrus americanus (Holbrook, 1836)
        
        Synonym: Bufo americanus var. quadripunctatus Jan, 1857
      - Species: Anaxyrus compactilis (Wiegmann, 1833)
        
        Synonym: Bufo anomalus Jan, 1857
    - Genus: Atelopus Duméril and Bibron, 1841
      - Synonym: Hylaemorphus Jan, 1857
      - Species: Atelopus varius (Lichtenstein and Martens, 1856)
        
        Synonym: Hylaemorphus plutonius Jan, 1857
  - Family: Dendrobatidae
    - Subfamily: Dendrobatinae
      - Genus: Adelphobates
        
        Species: Adelphobates quinquevittatus (Steindachner, 1864)
        
        Synonym: Dendrobates quinquevittatus Jan, 1857
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Pseudacris
        
        Species: Pseudacris crucifer (Wied-Neuwied, 1838)
        
        Synonym: Acris pickeringii — Jan, 1857
  - Family: Leptodactylidae
    - Subfamily: Leiuperinae
      - Genus: Eupemphix
        
        Species: Eupemphix nattereri Steindachner, 1863
        
        Synonym: Eupomplyx marmoratus Jan, 1857
      - Genus: Physalaemus Fitzinger, 1826
        
        Synonym: Physolaemus — Jan, 1857
        
        Species: Physalaemus albonotatus (Steindachner, 1864)
        
        Synonym: Physolaemus albonotatus Jan, 1857
        
        Species: Physalaemus biligonigerus (Cope, 1861)
        
        Synonym: Hyobates fuscomaculatus Jan, 1857
        
        Species: Physalaemus cuvieri Fitzinger, 1826
        
        Synonym: Physolaemus cuvieri — Jan, 1857
        
        Species: Physalaemus ephippifer (Steindachner, 1864)
        
        Synonym: Physolaemus ephippiger Jan, 1857
      - Genus: Pleurodema Tschudi, 1838
        
        Synonym: Hyobates Jan, 1857
  - Family: Ptychadenidae
    - Genus: Ptychadena
      - Species: Ptychadena mascareniensis (Duméril and Bibron, 1841)
        
        Synonym: Rana savignyi Jan, 1857
  - Family: Ranidae Rafinesque, 1814
    - Synonym: Ranae — Jan, 1857
    - Genus: Lithobates
      - Species: Lithobates palmipes (Spix, 1824)
        
        Synonym: Lithobates palmipes — Jan, 1857
- Order: Caudata Fischer von Waldheim, 1813
  - Synonym: Delesura Jan, 1857
  - Family: Ambystomatidae
    - Genus: Ambystoma Tschudi, 1838
      - Synonym: Ambistoma — Jan, 1857
      - Species: Ambystoma maculatum (Shaw, 1802)
        
        Synonym: Ambistoma punctatum — Jan, 1857
      - Species: Ambystoma opacum (Gravenhorst, 1807)
        
        Synonym: Ambistoma fasciatum — Jan, 1857
      - Species: Ambystoma tigrinum (Green, 1825)
        
        Synonym: Ambistoma tigrinum — Jan, 1857
  - Family: Amphiumidae Gray, 1825
    - Synonym: Amphiumida — Jan, 1857
  - Family: Plethodontidae
    - Subfamily: Hemidactyliinae
      - Genus: Bolitoglossa
        
        Species: Bolitoglossa mexicana Duméril, Bibron, and Duméril, 1854
        
        Synonym: Pseudotriton mexicanus — Jan, 1857
      - Genus: Eurycea
        
        Species: Eurycea bislineata (Green, 1818)
        
        Synonym: Pseudotriton bilineatus — Jan, 1857
    - Subfamily: Plethodontinae
      - Genus: Desmognathus
        
        Species: Desmognathus fuscus (Rafinesque, 1820)
        
        Synonym: Ambistoma nigrum — Jan, 1857
  - Family: Proteidae Gray, 1825
    - Synonym: Proteida — Jan, 1857
  - Family: Salamandridae Goldfuss, 1820
    - Synonym: Salamandrida — Jan, 1857
    - Subfamily: Pleurodelinae
      - Genus: Ichthyosaura
        
        Species: Ichthyosaura alpestris (Laurenti, 1768)
        
        Synonym: Triton neglectus Jan, 1857
- Order: Gymnophiona Müller, 1832
  - Synonym: Ophiosoma Jan, 1857

Amphibian Species of the World 5.6, an Online Reference

Names where authority is Jan