Cumulative number of valid named Buthus species. Only current valid species' names were plotted; in the year they were first described.

 
 
  Part of: Sousa P, Arnedo MA, Harris JD (2017) Updated catalogue and taxonomic notes on the Old-World scorpion genus Buthus Leach, 1815 (Scorpiones, Buthidae). ZooKeys 686: 15-84. https://doi.org/10.3897/zookeys.686.12206