An annotated and updated checklist of the opisthobranchs (Mollusca: Gastropoda) from Spain and Portugal (including islands and archipelagos)

1. Cervera, J.L.
2. Calado, G.
3. Gavaia, C.
4. Malaquias, M.A.E.
5. Templado, J.
6. Ballesteros, M.
7. García-Gómez, J.C.
8. Megina, C.