Archaeobatrachia

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Archaeobatrachia
Temporal range: Early Jurassic to present
Hochstetters Frog on Moss.jpg
Hochstetter's frog (Leiopelma hochstetteri)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Suborder: Archaeobatrachia
Families

Ascaphidae
Bombinatoridae
Alytidae (Discoglossidae)
Leiopelmatidae

The Archaeobatrachia are a suborder of Anura containing various primitive frogs and toads. As the name literally suggests, these are the most primitive frogs. Many of the species (28 in total) show certain physiological characteristics[clarification needed] which are not present in other frogs and toads, thus giving rise to this group. They are largely found in Eurasia, New Zealand, the Philippines, and Borneo, and are characteristically small. In addition, the family Ascaphidae is found in the Pacific Northwest and northern rocky mountains of the United States, and is only represented by two species.

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