victoria&valerie's timeline

  • 416

    valcouroceas

    this fossil was made 416 million years ago
  • 430

    earliest insects

  • 444

    silurian

    this time period started 444 million years ago.
  • 542

    cambrain

    this time period started 542 million years ago.
  • permian

    this time period started 299 million years
  • centroceras

    this fossil lived 359 million years ago
  • maticoceras

    this fossil was made 359 million years ago.
  • invertebrates dominant

  • abundant amphibians