como extremidades bien desarrolladas que podían funcionar tanto como aletas en el agua como patas en la tierra

with rapid growth during their teenage years

allowing it to maneuver with agility in its environment

The evidence found suggests that it could live in packs and used its body

y medía alrededor de 60 cm (2

Shastasaurus pacificus Variant:Primed como extremidades bien desarrolladas queShastasaurus pacificus is an ichthyosaur that lived during the Late Triassic Period, approximately 210 million years ago, in what is now North America. This marine reptile is one of the best known genera of the Shastasauridae group, a lineage of ichthyosaurs specialized in aquatic life. The fossil of this species was discovered in California and described for the first time in the 20th century, although recent paleontological advances have shed new