This is a list of amphibians by Family. It lists all families and subfamilies of amphibians and mentions the number of species in each of them.
The list below largely follows Frost, 2009: Amphibian Species of the World, an Online Reference. Version 5.3 (February, 2009).
Another classification, which largely follows Frost, but deviates from it in part is the one of AmphibiaWeb, by the University of California, Berkeley.
A major difference between the two above classifications is that Frost has split several families off from some major families (i.e. elevated to distinct families), whereas AmphibiaWeb has not (i.e. keeping them within the original families), notably:
- From Leptodactylidae: Brachycephalidae
- From Ranidae: Ceratobatrachidae, Dicroglossidae, Pyxicephalidae
See Sources below.
Class Amphibia
Total 6433 species
Order Anura - Frogs and Toads
Total 5679 species
- Suborder Archaeobatrachia
- Family Alytidae - Painted Frogs or Disc-Tongued frogs, 12 species. Sometimes placed as a subfamily, Alytinae, in family Bombinatoridae. Sometimes, the genus Discoglossus is considered a distinct family, Discoglossidae
- Family Bombinatoridae - Fire Belly toads, 8 species
- Family Leiopelmatidae - New Zealand primitive frogs, 6 species. Sometimes, the genus Ascaphus is considered a distinct family, Ascaphidae
- Suborder Mesobatrachia
- Family Megophryidae - Litter frogs or Short Legged toads, 137 species
- Family Pelobatidae - European Spadefoot toads, 4 species
- Family Pelodytidae - Parsley frogs, 3 species
- Family Pipidae - Tongueless frogs or clawed frogs, 32 species. Sometimes, the subfamilies Dactylethrinae and Pipinae are distinguished
- Family Rhinophrynidae - Mexican Burrowing Toad, 1 species
- Family Scaphiopodidae - American spadefoot toads, 7 species
- Suborder Neobatrachia
- Family Aromobatidae - 95 species, sometimes considered part of the family Dendrobatidae, see below.
- Subfamily: Allobatinae, 44 species
- Subfamily: Anomaloglossinae, 23 species.
- Subfamily: Aromobatinae, 27 species.
- Family Arthroleptidae - Screeching frogs or squeakers, 132 species
- Subfamily: Arthroleptinae, 81 species. Sometimes the genus Astylosternus is considered a distinct family, Astylosternidae
- Subfamily: Leptopelinae, 51 species, sometimes placed in family Hyperoliidae, see below.
- Family Brachycephalidae - Saddleback toads, 41 species.
- Family Brevicipitidae - 26 species, sometimes considered a subfamily, Brevicipitinae of the Microhylidae, see below.
- Family Bufonidae - True toads, 528 species
- Family Calyptocephalellidae - 4 species, sometimes considered part of the family Bufonidae.
- Family Centrolenidae - Glass frogs, 148 species
- Subfamily: Allophryninae, 1 species, sometimes considered a distinct family, Allophrynidae
- Subfamily: Centroleninae, 147 species
- Family: Ceratobatrachidae, 82 species, sometimes considered part of the family Ranidae, see below.
- Family Ceratophryidae - 85 species, sometimes considered a subfamily, Ceratophryinae of the Leptodactylidae, see below.
- Subfamily: Batrachylinae, 14 species
- Subfamily: Ceratophryinae, 12 species.
- Subfamily: Telmatobiinae, 59 species, sometimes considered a subfamily of the Leptodactylidae, see below.
- Family Craugastoridae - 114 species, removed from family Brachycephalidae
- Family Cycloramphidae - 102 species, sometimes considered a subfamily, Cycloramphinae of the Leptodactylidae, see below.
- Subfamily: Alsodinae, 67 species
- Subfamily: Cycloramphinae, 34 species. Sometimes the genus Rhinoderma is considered a distinct family, Rhinodermatidae
- Family Dendrobatidae - Poison dart frogs, 169 species
- Subfamily: Colostethinae, 55 species
- Subfamily: Dendrobatinae, 55 species
- Subfamily: Hyloxalinae, 57 species
- Family: Dicroglossidae, 164 species, sometimes considered part of the family Ranidae, see below.
- Subfamily: Dicroglossinae, 142 species
- Subfamily: Occidozyginae, 22 species
- Family Eleutherodactylidae - 200 species, removed from family Brachycephalidae
- Subfamily: Eleutherodactylinae, 193 species
- Subfamily: Phyzelaphryninae, 7 species
- Family Heleophrynidae - Ghost frogs, 6 species
- Family Hemiphractidae - 92 species, sometimes considered a subfamily, Hemiphractinae, of the Hylidae, see next. Includes formerly separate families Amphignathodontidae and Cryptobatrachidae.
- Family Hemisotidae - Shovelnose frogs, 9 species
- Family Hylidae - Tree frogs, 869 species; formerly the Amphignathodontidae were included, now included in Hemiphractidae, see above.
- Subfamily: Hylinae, 622 species
- Subfamily: Pelodryadinae, 188 species
- Subfamily: Phyllomedusinae, 59 species
- Family Hylodidae - 41 species
- Family Hyperoliidae - Sedge frogs or bush frogs, 208 species
- Family: Leiuperidae, 79 species, sometimes considered part of the family Leptodactylidae, see below.
- Family Leptodactylidae - Southern frogs or tropical frogs, 97 species. Some of its former subfamilies have been elevated to family level, or placed in different families, see before.
- Family: Limnodynastidae, 44 species
- Family Mantellidae, 174 species
- Subfamily: Boophinae, 58 species
- Subfamily: Laliostominae, 4 species
- Subfamily: Mantellinae, 112 species
- Family Micrixalidae - 11 species, sometimes placed in the family Ranidae.
- Family Microhylidae - Narrow-mouthed frogs, 436 species
- Subfamily: Asterophryinae, 222 species. Sometimes the genus Genyophryne is considered a distinct subfamily, Genyophryninae
- Subfamily: Cophylinae, 45 species
- Subfamily: Dyscophinae, 3 species
- Subfamily: Gastrophryninae, 43 species
- Subfamily: Hoplophryninae, 3 species
- Subfamily: Kalophryninae, 14 species
- Subfamily: Melanobatrachinae, 1 species
- Subfamily: Microhylinae, 69 species
- Subfamily: Otophryninae, 3 species
- Subfamily: Phrynomerinae, 5 species
- Subfamily: Scaphiophryninae, 10 species
- Family Myobatrachidae - Australian ground frogs, 84 species. Sometimes, the genus Rheobatrachus is considered a distinct family, Rheobatrachidae
- Family Nasikabatrachidae - 1 species, formerly included in family Sooglossidae, see below.
- Family Nyctibatrachidae - 16 species
- Family: Petropedetidae, 16 species
- Family Phrynobatrachidae - 76 species, sometimes considered part of the family Ranidae, see below.
- Family Ptychadenidae - 53 species, sometimes considered part of the family Ranidae, see below.
- Family Pyxicephalidae - 66 species, sometimes considered part of the family Ranidae, see below.
- Subfamily: Cacosterninae, 61 species
- Subfamily: Pyxicephalinae, 5 species
- Family Ranidae - True frogs, 338 species
- Family Ranixalidae - 10 species, sometimes placed in the family Ranidae, or in family Petropedetidae.
- Family Rhacophoridae - Moss frogs, 297 species
- Subfamily: Buergeriinae, 5 species
- Subfamily: Rhacophorinae, 292 species
- Family Sooglossidae Seychelles Frog, 5 species.
- Family Strabomantidae Seychelles Frog, 552 species.
- Subfamily: Holoadeninae, 40 species
- Subfamily: Strabomantinae, 512 species, removed from family Brachycephalidae
- Family Aromobatidae - 95 species, sometimes considered part of the family Dendrobatidae, see below.
Order Caudata - Salamanders
Total 580 species
- Suborder Cryptobranchoidea
- Family Cryptobranchidae - Giant salamanders, 3 species
- Family Hynobiidae - Asiatic salamanders, 53 species
- Subfamily Hynobiinae, 52 species
- Subfamily Protohynobiinae, 1 species
- Suborder Salamandroidea
- Family Ambystomatidae - Mole salamanders, 37 species. The genus Dicamptodon is sometimes considered a distinct family, Dicamptodontidae - Pacific giant salamanders
- Family Amphiumidae - Amphiumas or Congo eels, 3 species
- Family Plethodontidae - Lungless salamanders, 391 species
- Subfamily Bolitoglossinae, 260 species
- Subfamily Hemidactyliinae, 1 species
- Subfamily Plethodontinae, 95 species
- Subfamily Spelerpinae, 35 species
- Family Proteidae - Mudpuppies and Waterdogs, 6 species
- Family Rhyacotritonidae - Torrent salamanders, 4 species
- Family Salamandridae - True salamanders and newts, 79 species
- Suborder Sirenoidea
- Family Sirenidae - Sirens, 4 species
Order Gymnophiona - Caecilian
Total 174 species
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- Family Caeciliidae - Common caecilians, 121 species
- Subfamily: Caeciliinae, 102 species, not always considered a coherent subfamily
- Subfamily: Scolecomorphinae, 6 species, sometimes considered a distinct family
- Subfamily: Typhlonectinae, 13 species, sometimes considered a distinct family
- Family Ichthyophiidae - Fish caecilians, 44 species
- Family Rhinatrematidae - Beaked caecilians, 9 species
- Family Caeciliidae - Common caecilians, 121 species
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