archaeopteryx

• Género extinto de ave primitiva del período Jurásico, caracterizada por tener dientes, una larga cola ósea cubierta de plumas y garras en las alas, considerada un fósil transicional entre dinosaurios y aves.

An extinct primitive toothed bird from the Jurassic period, characterized by a long feathered tail and hollow bones, often considered the most primitive of all birds.

1. Extinct primitive birdC2formalscientific

   An extinct primitive toothed bird of the Jurassic period, having a long feathered tail and hollow bones; usually considered the most primitive of all birds.

   Archaeopteryx

   • The archaeopteryx is often considered a transitional fossil between dinosaurs and modern birds.
   • Fossils of archaeopteryx have been found in Germany.
   • Scientists study archaeopteryx to understand the evolution of flight.