Delongueville, C.; Scaillet, R. & Afonso, C.M.L. (2010). Première signalisation de Nassarius sesarmus (Marrat, 1877) le long des côtes européennes de l’Atlantique Nord-Est (Algarve - sud du Portugal). NOVAPEX / Société, 11 (4): 117–119.

Nassarius sesarmus (Marrat, 1877), gastropod of West African origin, was found alive for the first time in the Algarve - South Portugal. This represents an extension of its distribution towards the North-East Atlantic and the first record in European waters.