Addenda a la llista dels mol·luscos continentals de Catalunya

Addenda to the checklist of continental mollusks from Catalonia. This paper complements and updates the taxonomic checklist of species and subspecies of continental (terrestrial and freshwater) mollusks from Catalonia previously published by Vilella Tejedo et al. (Spira, 1(3): 1-29). In total, they make up 261 gastropod species (285 when subspecies are included) and 19 bivalve species (24 when subspecies are included). The ratio of endemic taxa stays around 12%, and that of introduced taxa is near 2%