Phrurolithus Claripes
''Phrurolithus'' is a genus of araneomorph spiders first described by C. L. Koch in 1839. First placed with the Liocranidae, it was moved to the Corinnidae in 2002, then to the Phrurolithidae in 2014. Species it contains fifty-seven species: *'' P. absurdus'' Gertsch, 1941 – USA *'' P. adjacens'' Gertsch & Davis, 1940 – Mexico *'' P. aemulatus'' Gertsch, 1941 – USA *'' P. alatus'' Ivie & Barrows, 1935 – USA *'' P. apacheus'' Gertsch, 1941 – USA *'' P. apertus'' Gertsch, 1935 – USA *'' P. approximatus'' Gertsch & Davis, 1940 – Mexico *'' P. azarkinae'' Zamani & Marusik, 2020 – Turkey, Azerbaijan, Iran *'' P. banksi'' Gertsch, 1941 – USA *'' P. callidus'' Gertsch, 1935 – USA *'' P. camawhitae'' Gertsch, 1935 – USA *'' P. catalinius'' Gertsch, 1941 – USA *'' P. claripes'' (Dönitz & Strand, 1906) – China, Russia (Sakhalin), Taiwan, Japan *'' P. coahuilanus'' Gertsch & Davis, 1940 – Mexico *'' P. concisus'' Gertsch, 1941 – USA *'' P. connectus'' Ge ...
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Carl Ludwig Koch
Carl Ludwig Koch (21 September 1778 – 23 August 1857) was a German entomologist and arachnologist. He was responsible for classifying a great number of spiders, including the Brazilian whiteknee tarantula and common house spider. He was born in Kusel, Germany, and died in Nuremberg, Germany. Carl Ludwig Koch was an inspector of water and forests. His principal work ''Die Arachniden'' (1831–1848) (16 volumes) was commenced by Carl Wilhelm Hahn Carl Wilhelm Hahn (Lat. ''Carolus Guilielmus Hahn'', 16 December 1786 – 7 November 1835) was a German zoologist and author of the first German monograph on spiders. C. W. Hahn was an all-round natural scientist – not at all unusual for his t ... (1786–1836). Koch was responsible for the last 12 volumes. He also finished the chapter on spiders in ''Faunae insectorum germanicae initia oder Deuts