Figure 1. Total number of all catalogued species1,2 on Earth from major organismal groups.
Chart by Janina Kypke.

  1. IUCN 2017. Numbers of threatened species by major groups of organisms (1996–2017)
  2. Ahn, K.-J., Cho, Y.-B., Kim, Y.-H., Yoo, I.-S. and Newton, A.F. (2017) Checklist of the Staphylinidae (Coleoptera) in Korea. Journal of Asia-Pacific Biodiversity10(3), 279–336. DOI:10.1016/j.japb.2017.06.006.