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| | Grzimeks Animal Life Encyclopedia |
 | | The Neotropical region has the world's greatest diversity of anurans. |
 | | In addition to many genera and species of Bufonidae, Hylidae, and Microhylidae, there are seven endemic families: Allophrynidae, Brachycephalidae Centrolenidae, Dendrobatidae, Leptodactylidae, Rhinodermatidae, and Rhinophrynidae. |
 | | Four of these (Allophrynidae, Brachycephalidae, Rhinodermatidae, and Rhinophrynidae) contain a total of only eight species, but Centrolenidae and Dendrobatidae have a total of more than 300 species, and Leptodactylidae contains more than 1,000 species, of which Eleutherodactylus is the most speciose and widespread. |
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