Study locations along the Portuguese coast (Western Iberia) visited in the years of 2001 and 2002. Location details and sampling dates can be found in Table 1.

  Part of: Pereira J, Ribeiro PA, Santos AM, Monteiro C, Seabra R, Lima FP (2021) A comprehensive assessment of the intertidal biodiversity along the Portuguese coast in the early 2000s. Biodiversity Data Journal 9: e72961.