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The southern frogs form the Leptodactylidae, a name that comes from Greek meaning a bird or other animal having slender toes.They are a diverse family of frogs that most likely diverged from other hyloids during the Cretaceous. [1]
Marbled snout-burrower or mottled shovelnose frog (Hemisus marmoratus) Hylidae (Rafinesque, 1815) 58: Tree frogs: White's tree frog (Litoria caerulea) Hyperoliidae (Laurent, 1943) 17: Sedge frogs or bush frogs: Big-eyed tree frog (Leptopelis vermiculatus) Leptodactylidae (Werner, 1896) 13: Southern frogs or tropical frogs: Hispaniolan ditch ...
Warty frog species tend to be called toads, but the distinction between frogs and toads is informal, not from taxonomy or evolutionary history. An adult frog has a stout body, protruding eyes , anteriorly-attached tongue , limbs folded underneath, and no tail (the tail of tailed frogs is an extension of the male cloaca).
The features it shares with modern frogs include a forward-sloping ilium, the fusion of the frontal and parietal bones into a single structure known as the frontoparietal, and a lower jaw bone with no teeth. [11] Czatkobatrachus is another proto-frog with some characteristics similar to Triadobatrachus. It is from the early Triassic in Poland ...
Phylogenetically they stand between primitive frogs (fire-bellied toads, midwife toads) on the one side and higher frogs (the family of true toads, tree frogs, and the family of true frogs) on the other and are therefore – among other things by characteristics of bone construction – in the suborder Mesobatrachia.
The hairy frog is also notable in possessing retractable "claws", which it may project through the skin, apparently by intentionally breaking the bones of the toe. [5] These are not true claws, as they are made of bone, not keratin. In addition, there is a small bony nodule nestled in the tissue just beyond the frog's fingertip.
Caligophryne was described in 2023 alongside Neblinaphryne, another ancient frog genus thought to belong to its own family that is also endemic to the Neblina massif; both are the first frog taxa described simultaneously as a new species, genus, and family since the purple frog in 2003.
Hyalinobatrachium have a bulbous liver covered by white pigment, a transparent parietal peritoneum, and lack a humeral spine in adult males.The bones are white in living animals.