Fossilworks documents terrestrial fossil ecosystems from around the world. It focuses on Cenozoic and Cretaceous vertebrates and has extensive coverage of the Pleistocene and Holocene. It is integrated with the Ecological Register, which provides species inventories for living communities.

You can use the site to view fossil samples, species, or references. You can also see samples on a timescale, download all the data, and see the latest samples.

Browse the site with maps showing the fossil sites in each time interval:
  • Holocene
  • Pleistocene
  • Pliocene
  • Miocene
  • Oligocene
  • Eocene
  • Palaeocene
  • Cretaceous
Or browse Fossilworks and the Ecological Register by group:
  • ants
  • bats
  • bees
  • birds
  • butterflies
  • carnivores
  • frogs
  • ground beetles
  • lizards
  • mosquitoes
  • odonates
  • orthopterans
  • rodents
  • scarab (dung) beetles
  • snakes
  • spiders
  • trees
  • turtles
  • ungulates