Names with citations in year 1821

Class: Amphibia Gray, 1825
- Synonym: Batrachia Leuckart, 1821
- Synonym: Dipnoa Leuckart, 1821
- Order: Anura
  - Family: Bufonidae
    - Genus: Rhinella
      - Species: Rhinella crucifer (Wied-Neuwied, 1821)
        
        Synonym: Bufo crucifer Wied-Neuwied, 1821
      - Species: Rhinella icterica (Spix, 1824)
        
        Synonym: Bufo bimaculatus Wied-Neuwied, 1821
        
        Synonym: Bufo fuliginosus Wied-Neuwied, 1821
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Hypsiboas
        
        Species: Hypsiboas faber (Wied-Neuwied, 1821)
        
        Synonym: Hyla faber Wied-Neuwied, 1821
      - Genus: Scinax
        
        Species: Scinax auratus (Wied-Neuwied, 1821)
        
        Synonym: Hyla aurata Wied-Neuwied, 1821
- Order: Caudata Fischer von Waldheim, 1813
  - Synonym: Ichthyoidea Leuckart, 1821
  - Family: Amphiumidae
    - Genus: Amphiuma Garden, 1821
      - Species: Amphiuma means Garden, 1821
        
        Synonym: Siren similis Garden, 1821
  - Family: Cryptobranchidae
    - Genus: Cryptobranchus Leuckart, 1821
      - Species: Cryptobranchus alleganiensis (Daudin, 1803)
        
        Synonym: Cryptobranchus salamandroides Leuckart, 1821
  - Family: Proteidae
    - Genus: Necturus Rafinesque, 1819
      - Synonym: Phanerobranchus Leuckart, 1821
      - Species: Necturus maculosus (Rafinesque, 1818)
        
        Synonym: Phanerobranchus tetradactylus Leuckart, 1821
    - Genus: Proteus
      - Species: Proteus anguinus Laurenti, 1768
        
        Synonym: Phanerobranchus platyrhynchus Leuckart, 1821
  - Family: Salamandridae
    - Subfamily: Pleurodelinae
      - Genus: Triturus Rafinesque, 1815
        
        Synonym: Oiacurus Leuckart, 1821
        
        Species: Triturus carnifex (Laurenti, 1768)
        
        Synonym: Salamandra platycauda Rusconi, 1821
    - Subfamily: Salamandrininae
      - Genus: Salamandrina
        
        Species: Salamandrina perspicillata (Savi, 1821)
        
        Synonym: Salamandra perspicillata Savi, 1821
  - Family: Sirenidae
    - Genus: Siren
      - Species: Siren lacertina Linnaeus, 1766
        
        Synonym: Phanerobranchus dipus Leuckart, 1821

Amphibian Species of the World 5.6, an Online Reference

Names with citations in year 1821