Cambrian

Pronunciation
/kam-BREE-an/
Category
Geological Time Period
Singular
Cambrian
Plural
Cambrian

Definition

The first period of the Paleozoic era, spanning from approximately 541 to 485 million years ago, characterized by the diversification of life in the oceans.

Etymology

Example

The Cambrian Period saw the evolution of many early invertebrates, including trilobites.

Related Terms

  • Paleozoic
  • Cambrian Explosion