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  2. Frog - Wikipedia

    en.wikipedia.org/wiki/Frog

    Frogs and toads are broadly classified into three suborders: Archaeobatrachia, which includes four families of primitive frogs; Mesobatrachia, which includes five families of more evolutionary intermediate frogs; and Neobatrachia, by far the largest group, which contains the remaining families of modern frogs, including most common species ...

  3. Category:Frogs by classification - Wikipedia

    en.wikipedia.org/wiki/Category:Frogs_by...

    Download as PDF; Printable version; Appearance. move to sidebar hide. ... Pages in category "Frogs by classification" The following 6 pages are in this category, out ...

  4. List of Anuran families - Wikipedia

    en.wikipedia.org/wiki/List_of_Anuran_families

    These frogs have morphological characteristics which are found mostly in extinct frogs, and are absent in most of the modern frog species. Most of these characteristics are not common between all the families of Archaeobatrachia, or are not absent from all the modern species of frogs.

  5. Common frog - Wikipedia

    en.wikipedia.org/wiki/Common_frog

    Male Rana temporaria calling in a garden pond in Jambes, Belgium. The common frog or grass frog (Rana temporaria), also known as the European common frog, European common brown frog, European grass frog, European Holarctic true frog, European pond frog or European brown frog, is a semi-aquatic amphibian of the family Ranidae, found throughout much of Europe as far north as Scandinavia and as ...

  6. Portal:Frogs - Wikipedia

    en.wikipedia.org/wiki/Portal:Frogs

    The oldest fossil "proto-frog" Triadobatrachus is known from the Early Triassic of Madagascar (250 million years ago), but molecular clock dating suggests their split from other amphibians may extend further back to the Permian, 265 million years ago. Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest ...

  7. Rana (genus) - Wikipedia

    en.wikipedia.org/wiki/Rana_(genus)

    Rana (derived from Latin rana, meaning 'frog') is a genus of frogs commonly known as the Holarctic true frogs, pond frogs or brown frogs. Members of this genus are found through much of Eurasia and western North America. Many other genera were formerly included here.

  8. Tadpole - Wikipedia

    en.wikipedia.org/wiki/Tadpole

    The intestines shorten as they transition from a herbivorous diet to the carnivorous diet of adult frogs. Tadpoles vary greatly in size, both during their development and between species. For example, in a single family, Megophryidae, length of late-stage tadpoles varies between 3.3 centimetres (1.3 in) and 10.6 centimetres (4.2 in). [6]

  9. True toad - Wikipedia

    en.wikipedia.org/wiki/True_toad

    A true toad is any member of the family Bufonidae, in the order Anura (frogs and toads). This is the only family of anurans in which all members are known as toads, although some may be called frogs (such as harlequin frogs). The bufonids now comprise more than 35 genera, Bufo being the best known.