Conservation Status

A species’ conservation status refers to whether or not it is in danger of becoming extinct. The IUCN Red List of Threatened Species classifies animals into seven different categories. Click to see all animals featured on this site in a given category.

To see extinct animals from a given time period,

  • Quarternary (2 million years ago - present)
  • Neogene (23 million years ago - 2 million years ago)
  • Paleogene (65 million years ago - 23 million years ago)
  • Cretaceous (145 million years ago - 65 million years ago)
  • Jurassic (200 million years ago - 145 million years ago)
  • Triassic (250 million years ago - 200 million years ago)
  • Permian (300 million years ago - 250 million years ago)
  • Carboniferous (360 million years ago - 300 million years ago)
  • Devonian (416 million years ago - 360 million years ago)
  • Silurian (444 million years ago - 416 million years ago)
  • Ordovician (488 million years ago - 444 million years ago)
  • Cambrian (542 million years ago - 488 million years ago)
  • Precambrian (4.5 billion years ago - 542 million years ago)
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