Posts Tagged 'Dinosaurs'

Dinosaurs – The dominant terrestrial vertebrate Animals

Posted on October 3 2009 Add Comments

About 230 million years ago, there were dinosaurs for over 160 million years during the Triassic period. They evolved from other reptiles that lived during the Mesozoic Era, the “Age of Reptiles.” During this Triassic period, the mammals were also evolved.
Some dinosaurs were herbivorous and others were carnivorous. Some were bipedal and others were quadrupedal. [...]