According to the latest counts (Cardoso & Morano, 2011), 1,335 spiders species are known from the Iberian peninsula and the Balearic Islands, of which 236 are Iberian endemics, in 373 genera and 55 families.
Click here to access Morano & Cardoso 2011 catalogue
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Cardoso, P. and E. Morano (2010). "The Iberian spider checklist (Araneae)." Zootaxa 2495: 1-52.
Photo credit Eva de Mas