Archaeopteryx Dino and Dog in what is now the

in what is now the United States

and other marine reptiles that lurked in the brackish waters of estuaries

allowing it to be held straight and possibly used as a counterweight during locomotion

angiospermas primitivas y vegetación arbustiva baja

Pico: Su pico córneo le permitía alimentarse de plantas

Archaeopteryx Dino and Dog in what is now theArcheopteryx (A. lithographica 'Oldwing') is an extinct species of primitive bird that lived during the Late Jurassic Kimmeridgian period, approximately 150 million years ago, in what is now Germany. It is considered a transitional fossil between dinosaurs and modern birds, and is known for both its reptilian and avian characteristics. Archeopteryx had feathers and wings, but also possessed reptilian features such as teeth, wing claws, and a long,