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QUESTION
How many species of spiders are there?
Over 43000 is the general rounding in litteratur
More precisely there are 45 998 according to the world spider catalogue by Norman I. PLactnick
World Spider Catalog (2016). World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 17.0, accessed on 27/05/2016
