Carl Linnaeus end of his life he timidly advanced the hypothesis that all the species of one genus constituted at the creation one species; and from the last edition of his "Systema Naturæ" he quietly left out the strongly orthodox statement of the fixity of each species, which he had insisted upon in his earlier works. ... warnings came speedily both from the Catholic and Protestant sides. The mathematical PageRank algorithm, applied to 24 multilingual Wikipedia editions in 2014, published in "PLOS ONE" in 2015, placed Carl Linnaeus at the top historical figure, above Jesus, Aristotle, Napoleon, and Adolf Hitler (in that
Spider taxonomy the number of species in the families is bound to change and can never reflect the present status with total accuracy. Nevertheless, the species numbers given here are useful as a guideline – see the table of families at the end of the article. Spider taxonomy can be traced to the work of Swedish naturalist Carl Alexander Clerck, who in 1757 published the first binomial scientific names of some 67 spiders species in his "Svenska Spindlar" ("Swedish Spiders"), one year before Linnaeus named over 30 spiders in his "Systema Naturae". In the ensuing 250 years, thousands more species have been