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Re: Mesozoic - the heyday of life?

The observation that vulcanodonts were not large is incorrect. My approximate
mass estimate is 5 tonnes, about the same as a typical bull elephant. The
rapidity at which sauropods increased size is remarkable. 5 tonnes at the
very beginnning of the Jurassic, 10 tonnes later in the Early Jurassic, 30
tonnes in the Middle Jurassic, 50-100+ tonnes by the Late Jurassic all the
way to the end of the Cretaceous. No land mammals have even touched that