silurian

• Nombre propio que designa un período geológico que abarca aproximadamente desde hace 425 hasta 405 millones de años, conocido por la aparición de los primeros animales con respiración aérea.

A proper noun referring to a geological period from approximately 425 to 405 million years ago, known for the emergence of the first air-breathing animals.

incontable · nombre propio

1. Geological periodC1formalscientific

   The third period of the Paleozoic Era, spanning from about 443.8 to 419.2 million years ago, characterized by the first appearance of land plants and air-breathing animals.

   período Silúrico

   • The Silurian period saw the emergence of the first vascular plants.
   • Fossils from the Silurian era include early jawless fish.
   • During the Silurian, the first air-breathing arthropods appeared on land.