5 Questions
What is the order name for the group of tailless amphibians?
Anura
Where is the oldest fossil 'proto-frog' Triadobatrachus known from?
Early Triassic of Madagascar
What percentage of extant amphibian species do frogs account for?
88%
What is the distinction between frogs and toads based on?
Informal characteristics
What is the estimated time of the split of frogs from other amphibians according to molecular clock dating?
Permian, 265 million years ago
Study Notes
Anuran Order
- The order name for the group of tailless amphibians is Anura.
Oldest Fossil Record
- The oldest fossil 'proto-frog' Triadobatrachus is known from Madagascar.
Frog Species
- Frogs account for approximately 88% of extant amphibian species.
Frogs vs Toads
- The distinction between frogs and toads is based on their body shape and habits, rather than being a formal taxonomic classification.
Evolutionary History
- According to molecular clock dating, the estimated time of the split of frogs from other amphibians dates back to around 300 million years ago.
Test your knowledge of frogs with this quiz! From their diverse species to their carnivorous nature, this quiz will challenge your understanding of these tailless amphibians. Learn about their evolutionary history and unique characteristics as you answer questions about the fascinating world of frogs.
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