Names with citations in year 1831

Class: Amphibia Gray, 1825
- Synonym: Amphipneusta Gray, 1831
- Synonym: Batrachia Cuvier, 1831
- Synonym: Mutabilia Gray, 1831
- Order: Anura
  - Family: Bombinatoridae Gray, 1825
    - Synonym: Bombinatoridae — Gray, 1831
  - Family: Bufonidae
    - Genus: Anaxyrus
      - Species: Anaxyrus americanus (Holbrook, 1836)
        
        Synonym: Bufo americanus LeConte, 1831
    - Genus: Bufo
      - Species: Bufo verrucosissimus (Pallas, 1814)
        
        Synonym: Bufo colchicus Eichwald, 1831
    - Genus: Bufotes
      - Species: Bufotes viridis (Laurenti, 1768)
        
        Synonym: Bufo variabilis var. crucigera Eichwald, 1831
        
        Synonym: Bufo variabilis var. sitibunda — Eichwald, 1831
  - Family: Dendrobatidae
    - Subfamily: Dendrobatinae
      - Genus: Dendrobates Wagler, 1830
        
        Synonym: Eubaphus Bonaparte, 1831
  - Family: Dicroglossidae
    - Subfamily: Occidozyginae
      - Genus: Occidozyga Kuhl and Van Hasselt, 1822
        
        Synonym: Houlema Gray, 1831
        
        Species: Occidozyga lima (Gravenhorst, 1829)
        
        Synonym: Houlema obscura Gray, 1831
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Osteopilus
        
        Species: Osteopilus septentrionalis (Duméril and Bibron, 1841)
        
        Synonym: Hyla sueurii — Bory de Saint-Vincent, 1831
  - Family: Microhylidae
    - Subfamily: Microhylinae
      - Genus: Kaloula Gray, 1831
        
        Species: Kaloula pulchra Gray, 1831
  - Family: Pipidae
    - Genus: Pipa
      - Species: Pipa pipa (Linnaeus, 1758)
        
        Synonym: Pipa aevis Cuvier, 1831
        
        Synonym: Pipa laevis Cuvier, 1831
    - Genus: Xenopus Wagler, 1827
      - Synonym: Tremeropugus Smith, 1831
      - Species: Xenopus laevis (Daudin, 1802)
        
        Synonym: Tremeropugus typicus Smith, 1831
  - Family: Ranidae Rafinesque, 1814
    - Synonym: Raniadae Smith, 1831
    - Genus: Pelophylax
      - Species: Pelophylax ridibundus (Pallas, 1771)
        
        Synonym: Bufo caucasicus — Eichwald, 1831
        
        Synonym: Rana esculenta var. tigrina Eichwald, 1831
- Order: Caudata Fischer von Waldheim, 1813
  - Synonym: Amphipneusta Gray, 1831
  - Synonym: Derotremata Müller, 1831
  - Synonym: Nullibrachia Bonaparte, 1831
  - Synonym: Proteidea Müller, 1831
  - Synonym: Salamandrina Müller, 1831
  - Family: Ambystomatidae
    - Genus: Ambystoma Tschudi, 1838
      - Synonym: Axolot Bonaparte, 1831
      - Synonym: Axolotus Cuvier, 1831
      - Synonym: Phillhydrus Gray, 1831
      - Species: Ambystoma mexicanum (Shaw and Nodder, 1798)
        
        Synonym: Axolotus pisciformis — Cuvier, 1831
        
        Synonym: Phyllhydrus pisciformis —Gray, 1831
      - Species: Ambystoma tigrinum (Green, 1825)
        
        Synonym: Salamandra ingens Green, 1831
  - Family: Cryptobranchidae Fitzinger, 1826
    - Synonym: Cryptobranchoidei — Eichwald, 1831
    - Genus: Cryptobranchus
      - Species: Cryptobranchus alleganiensis (Daudin, 1803)
        
        Synonym: Abranchus horrida — Gray, 1831
  - Family: Plethodontidae
    - Subfamily: Hemidactyliinae
      - Genus: Bolitoglossa
        
        Species: Bolitoglossa platydactyla (Gray, 1831)
        
        Synonym: Salamandra platydactylus Gray, 1831
        
        Synonym: Salamandra variegata Gray, 1831
      - Genus: Eurycea
        
        Species: Eurycea cirrigera (Green, 1831)
        
        Synonym: Salamandra cirrigera Green, 1831
    - Subfamily: Plethodontinae
      - Genus: Desmognathus
        
        Species: Desmognathus fuscus (Rafinesque, 1820)
        
        Synonym: Salamandra frontalis Gray, 1831
  - Family: Proteidae
    - Genus: Necturus
      - Species: Necturus maculosus (Rafinesque, 1818)
        
        Synonym: Menobranchus lacepedii Gray, 1831
    - Genus: Proteus Laurenti, 1768
      - Synonym: Hydochthon — Gray, 1831
  - Family: Salamandridae
    - Subfamily: Pleurodelinae
      - Genus: Lissotriton
        
        Species: Lissotriton vulgaris (Linnaeus, 1758)
        
        Synonym: Salamandra vulgaris —Gray, 1831
      - Genus: Notophthalmus
        
        Species: Notophthalmus viridescens (Rafinesque, 1820)
        
        Synonym: Salamandra greeni Gray, 1831
      - Genus: Pleurodeles
        
        Species: Pleurodeles waltl Michahelles, 1830
        
        Synonym: Salamandra fenestrata Gray, 1831
        
        Synonym: Salamandra major Gray, 1831
      - Genus: Taricha
        
        Species: Taricha torosa (Rathke, 1833)
        
        Synonym: Salamandra beecheyi Gray, 1831
- Order: Gymnophiona Müller, 1832
  - Synonym: Batrachophides Bonaparte, 1831
  - Synonym: Gymnophidia Müller, 1831
  - Family: Caeciliidae Rafinesque, 1814
    - Synonym: Caecilioidei — Eichwald, 1831

Amphibian Species of the World 5.6, an Online Reference

Names with citations in year 1831