190 million years of tetrapod biodiversity

Tetrapod is the name given to any vertebrate animal with four (tetra) legs (pod). There are more than 30,000 living species of tetrapod known today, and this includes many of the animals we are familiar with like mammals, crocodiles, snakes, and birds. The question of how they reached this level of diversity is still very much open, and we know that by peering back into pre-history with the fossil record the number of tetrapod species has not remained constant through time. —> Read More

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