20 biggest theropod dinosaurs, video

This 12 March 2020 video says about itself:

20 Biggest Theropod Dinosaurs (Only Carnivorous Theropods)

Theropoda from Greek “wild beast” or theropods are a dinosaur clade that is characterized by hollow bones and three-toed limbs. They are generally classed as a group of saurischian dinosaurs.

Theropods were ancestrally carnivorous, although a number of theropod groups evolved to become herbivores, omnivores, piscivores, and insectivores.

Theropods first appeared during the Carnian age of the late Triassic period 231.4 million years ago (Ma) and included the sole large terrestrial carnivores from the Early Jurassic until at least the close of the Cretaceous, about 66 Ma. In the Jurassic, birds evolved from small specialized coelurosaurian theropods, and are today represented by about 10,500 living species.


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