Then

  1. Seed/Angel
  2. Series-A
  3. Series-B
  4. Series-C
  5. IPO

Now

  1. Pre-seed
  2. Seed - If a seed round is too big, it is called a mango seed.
  3. Seed extension
  4. Angel
  5. Series-A
  6. Series-B
  7. Series-C
  8. …
  9. Series-Z
  10. Venture round
  11. Growth round
  12. IPO

Also, why isn’t pre-seed called a pollen round?