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The determination of which family is larger is still under debate
one estimate shows that there are about 1
Still life
Guiné-Bissau Lilies Parryi Mini Sov
Congo Dinosauriens Souvenir Sheet of 4 Stamps Mint NH exotic animals The determination of which familyCongo Dinosauriens Souvenir Sheet of 4 Stamps Mint NH Dinosaurs are a diverse group of reptiles of the clade Dinosauria. They first appeared during the Triassic period, between 243 and 233. 23 million years ago, although the exact origin and timing of the evolution of dinosaurs is the subject of active research. They became the dominant terrestrial vertebrates after the TriassicJurassic extinction event 201 million years ago; their dominance continued
