A list of the terrestrial and marine biota from the Azores

The Azores is a remote oceanic archipelago of nine islands which belongs to the Macaronesia biogeographical region and is among the richest regions concerning fungi, plant and animal diversity in Europe. This checklist lists all the species of the most important terrestrial and marine taxonomic groups. The total number of terrestrial and marine taxa (species and subspecies) in the Azores is estimated in about 8047. The marine organisms currently listed make up about 23% of the Azorean biodiversity. The total number of terrestrial and marine endemic taxa (species and subspecies) in the Azores is estimated of about 491.