silurian

• Eigenname, der einen geologischen Zeitabschnitt vor etwa 425 bis 405 Millionen Jahren bezeichnet, bekannt für das Auftreten der ersten luftatmenden Tiere.

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.

unzählbar · Eigenname

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.

   Silur

   • 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.