Names with citations in year 1820

Class: Amphibia Gray, 1825
- Synonym: Batrachia Merrem, 1820
- Order: Anura Fischer von Waldheim, 1813
  - Synonym: Salientia Merrem, 1820
  - Family: Alytidae
    - Genus: Alytes
      - Species: Alytes obstetricans (Laurenti, 1768)
        
        Synonym: Bombinator obstetricans — Merrem, 1820
  - Family: Bombinatoridae
    - Genus: Bombina Oken, 1816
      - Synonym: Bombinator Merrem, 1820
      - Species: Bombina bombina (Linnaeus, 1761)
        
        Synonym: Bombinator igneus — Merrem, 1820
  - Family: Brevicipitidae
    - Genus: Breviceps Merrem, 1820
      - Species: Breviceps gibbosus (Linnaeus, 1758)
        
        Synonym: Breviceps gibbosus — Merrem, 1820
  - Family: Bufonidae
    - Genus: Bufotes
      - Species: Bufotes variabilis (Pallas, 1769)
        
        Synonym: Bufo variabilis — Merrem, 1820
      - Species: Bufotes viridis (Laurenti, 1768)
        
        Synonym: Bufo roseus Merrem, 1820
    - Genus: Peltophryne
      - Species: Peltophryne guentheri (Cochran, 1941)
        
        Synonym: Bombinator strumosus — Merrem, 1820
    - Genus: Rhinella
      - Species: Rhinella marina (Linnaeus, 1758)
        
        Synonym: Bombinator horridus — Merrem, 1820
        
        Synonym: Bombinator maculatus Merrem, 1820
        
        Synonym: Rana maxima Merrem, 1820
  - Family: Calyptocephalellidae
    - Genus: Calyptocephalella
      - Species: Calyptocephalella gayi (Duméril and Bibron, 1841)
        
        Synonym: Gecko caudiverbera — Merrem, 1820
  - Family: Dendrobatidae
    - Subfamily: Dendrobatinae
      - Genus: Dendrobates
        
        Species: Dendrobates tinctorius (Cuvier, 1797)
        
        Synonym: Calamita tinctorius — Merrem, 1820
  - Family: Dicroglossidae
    - Subfamily: Dicroglossinae
      - Genus: Hoplobatrachus
        
        Species: Hoplobatrachus tigerinus (Daudin, 1802)
        
        Synonym: Rana tigrina — Merrem, 1820
  - Family: Hylidae
    - Subfamily: Hylinae
      - Genus: Dendropsophus
        
        Species: Dendropsophus leucophyllatus (Beireis, 1783)
        
        Synonym: Calamita leucophyllatus — Merrem, 1820
        
        Species: Dendropsophus marmoratus (Laurenti, 1768)
        
        Synonym: Calamita marmoratus — Merrem, 1820
      - Genus: Hyla
        
        Species: Hyla cinerea (Schneider, 1799)
        
        Synonym: Calamita lateralis — Merrem, 1820
        
        Species: Hyla femoralis Bosc, 1800
        
        Synonym: Calamita femoralis — Merrem, 1820
        
        Species: Hyla squirella Bosc, 1800
        
        Synonym: Calamita squirella — Merrem, 1820
      - Genus: Hypsiboas
        
        Species: Hypsiboas boans (Linnaeus, 1758)
        
        Synonym: Calamita boans — Merrem, 1820
        
        Synonym: Calamita palmatus — Merrem, 1820
      - Genus: Pseudacris
        
        Species: Pseudacris ocularis (Bosc, 1801)
        
        Synonym: Calamita ocularis — Merrem, 1820
      - Genus: Scinax
        
        Species: Scinax ruber (Laurenti, 1768)
        
        Synonym: Calamita ruber — Merrem, 1820
      - Genus: Sphaenorhynchus
        
        Species: Sphaenorhynchus lacteus (Daudin, 1800)
        
        Synonym: Calamita aurantiacus — Merrem, 1820
        
        Synonym: Calamita lacteus — Merrem, 1820
      - Genus: Trachycephalus
        
        Species: Trachycephalus typhonius (Linnaeus, 1758)
        
        Synonym: Calamita tibicen Merrem, 1820
    - Subfamily: Phyllomedusinae
      - Genus: Phyllomedusa
        
        Species: Phyllomedusa hypochondrialis (Daudin, 1800)
        
        Synonym: Calamita hypochondrialis — Merrem, 1820
  - Family: Leptodactylidae
    - Subfamily: Leptodactylinae
      - Genus: Leptodactylus
        
        Species: Leptodactylus fuscus (Schneider, 1799)
        
        Synonym: Rana virginica Merrem, 1820
      - Genus: Lithodytes
        
        Species: Lithodytes lineatus (Schneider, 1799)
        
        Synonym: Bufo albonatus — Merrem, 1820
        
        Synonym: Rana schneideri Merrem, 1820
  - Family: Microhylidae
    - Subfamily: Gastrophryninae
      - Genus: Elachistocleis
        
        Species: Elachistocleis surinamensis (Daudin, 1802)
        
        Synonym: Rana bufonia Merrem, 1820
    - Subfamily: Microhylinae
      - Genus: Uperodon
        
        Species: Uperodon systoma (Schneider, 1799)
        
        Synonym: Bombinator systoma — Merrem, 1820
  - Family: Pelodytidae
    - Genus: Pelodytes
      - Species: Pelodytes punctatus (Daudin, 1802)
        
        Synonym: Rana daudini Merrem, 1820
  - Family: Pipidae
    - Genus: Pipa
      - Species: Pipa pipa (Linnaeus, 1758)
        
        Synonym: Pipa tedo Merrem, 1820
    - Genus: Xenopus
      - Species: Xenopus laevis (Daudin, 1802)
        
        Synonym: Pipa bufonia Merrem, 1820
        
        Synonym: Pipa laevis — Merrem, 1820
  - Family: Ranidae
    - Genus: Hylarana
      - Species: Hylarana nicobariensis (Stoliczka, 1870)
        
        Synonym: Calamita bilineatus — Merrem, 1820
    - Genus: Lithobates
      - Species: Lithobates catesbeianus (Shaw, 1802)
        
        Synonym: Rana mugiens Merrem, 1820
      - Species: Lithobates clamitans (Latreille, 1801)
        
        Synonym: Ranaria (Rana) melanota Rafinesque, 1820
- Order: Caudata Fischer von Waldheim, 1813
  - Synonym: Amphipneusta Merrem, 1820
  - Synonym: Gradientia Merrem, 1820
  - Synonym: Mutabilia Merrem, 1820
  - Family: Cryptobranchidae
    - Genus: Cryptobranchus
      - Species: Cryptobranchus alleganiensis (Daudin, 1803)
        
        Synonym: Molge gigantea — Merrem, 1820
  - Family: Hynobiidae
    - Genus: Onychodactylus
      - Species: Onychodactylus japonicus (Houttuyn, 1782)
        
        Synonym: Molge striata Merrem, 1820
  - Family: Plethodontidae
    - Subfamily: Hemidactyliinae
      - Genus: Pseudotriton
        
        Species: Pseudotriton diastictus Bishop, 1941
        
        Synonym: Triturus hypoxanthus Rafinesque, 1820
        
        Species: Pseudotriton ruber (Sonnini de Manoncourt and Latreille, 1801)
        
        Synonym: Molge rubra — Merrem, 1820
    - Subfamily: Plethodontinae
      - Genus: Desmognathus
        
        Species: Desmognathus fuscus (Rafinesque, 1820)
        
        Synonym: Triturus fuscus Rafinesque, 1820
        
        Synonym: Triturus nebulosus Rafinesque, 1820
  - Family: Proteidae
    - Genus: Necturus
      - Species: Necturus maculosus (Rafinesque, 1818)
        
        Synonym: Necturus luteus Rafinesque, 1820
        
        Synonym: Necturus maculosus — Rafinesque, 1820
        
        Synonym: Necturus phosphoreus Rafinesque, 1820
    - Genus: Proteus Laurenti, 1768
      - Synonym: Caledon Goldfuss, 1820
      - Synonym: Hypochthon Merrem, 1820
      - Species: Proteus anguinus Laurenti, 1768
        
        Synonym: Caledon anguinus — Goldfuss, 1820
        
        Synonym: Hypochthon Laurentii Merrem, 1820
  - Family: Salamandridae Goldfuss, 1820
    - Synonym: Salamandrae Goldfuss, 1820
    - Subfamily: Pleurodelinae
      - Genus: Ichthyosaura
        
        Species: Ichthyosaura alpestris (Laurenti, 1768)
        
        Synonym: Molge alpestris — Merrem, 1820
        
        Synonym: Molge ignea — Merrem, 1820
        
        Synonym: Molge wurfbaini — Merrem, 1820
        
        Synonym: Triton igneus Goldfuss, 1820
      - Genus: Lissotriton
        
        Species: Lissotriton helveticus (Razoumovsky, 1789)
        
        Synonym: Molge palmata — Merrem, 1820
        
        Species: Lissotriton vulgaris (Linnaeus, 1758)
        
        Synonym: Molge cinerea Merrem, 1820
        
        Synonym: Molge palustris — Merrem, 1820
        
        Synonym: Molge punctata — Merrem, 1820
        
        Synonym: Triton taeniatus — Goldfuss, 1820
      - Genus: Notophthalmus Rafinesque, 1820
        
        Synonym: Diemictylus Rafinesque, 1820
        
        Species: Notophthalmus viridescens (Rafinesque, 1820)
        
        Synonym: Triturus (Diemictylus) viridescens Rafinesque, 1820
        
        Synonym: Triturus (Notophthalmus) miniatus Rafinesque, 1820
      - Genus: Triturus Rafinesque, 1815
        
        Synonym: Molge Merrem, 1820
    - Subfamily: Salamandrinae Goldfuss, 1820
      - Synonym: Salamandrae Goldfuss, 1820
      - Genus: Salamandra
        
        Species: Salamandra salamandra (Linnaeus, 1758)
        
        Synonym: Salamandra maculata Merrem, 1820
    - Subfamily: Salamandrininae
      - Genus: Salamandrina
        
        Species: Salamandrina terdigitata (Bonnaterre, 1789)
        
        Synonym: Molge tridactyla — Merrem, 1820
- Order: Gymnophiona Müller, 1832
  - Synonym: Amblyopes Goldfuss, 1820
  - Synonym: Apoda Merrem, 1820
  - Family: Caeciliidae
    - Genus: Caecilia
      - Species: Caecilia albiventris Daudin, 1803
        
        Synonym: Caecilia albiuentris — Merrem, 1820
      - Species: Caecilia gracilis Shaw, 1802
        
        Synonym: Caecilia lumbricoides — Merrem, 1820
  - Family: Siphonopidae
    - Genus: Siphonops
      - Species: Siphonops annulatus (Mikan, 1820)
        
        Synonym: Caecilia annulata Mikan, 1820

Amphibian Species of the World 5.6, an Online Reference

Names with citations in year 1820