Early Animal Phylogeny

By _hannahgrace_11
  • Period: 600 BCE to 515 BCE

    600 Million Years Ago to 515 Million Years Ago

    Choanoflagellates first appeared 600 MYA. Ctenophora first appeared 515 MYA. That is the timespan of this timeline, although the program does not allow for these dates to be entered.
  • 1 CE

    Choanoflagellates

    Choanoflagellates
    (https://www.cell.com/current-biology/pdf/S0960-9822(05)00142-9.pdf)
  • 2

    Porifera

    Porifera
    Sponges
  • 3

    Placozoa

    Placozoa
  • 4

    Cnidaria

    Cnidaria
  • 5

    Ctenophora

    Ctenophora