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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 ...
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 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]
However, all archaeobatrachians have free vertebrae, whereas all other species of frogs have their ribs fused to their vertebrae. The Neobatrachia comprise the most modern species of frogs. Most of these frogs have morphological features which are more complex than those of the mesobatrachians and archaeobatrachians.
The Hyalinobatrachium ibama frog, commonly known for its unique characteristics, thrives in the lush riparian habitats of old-growth forests. These pristine environments provide the ideal setting for the species to lay its eggs, a process that unfolds on the vegetation while the tadpoles undergo their development in the nearby streams.
The common name of "tree frog" is a popular name for several species of the family Hylidae. However, the name "treefrog" is not unique to this family, also being used for many species in the family Rhacophoridae. The following genera are recognised in the family Hylidae: [2] [3] [4] [5]
Caligophryne is a genus of frog in the superfamily Hyloidea, clade Brachycephaloidea. It contains the single species C. doylei and is the only member of the family Caligophrynidae. It is endemic to the highest parts of the Cerro de la Neblina tepui on the border of Brazil and Venezuela. [1] [2]
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.