The fauna is rich and diverse, not only in groups well-known to the Pliocene Mediterranean, such as the Turritellidae, Strombidae and Xenophoridae, but in other groups rarely reported in the Pliocene literature, such as the Littorinidae and the Vanikoridae. Of the 95 species treated in this part, 46 are still living, giving an extinction rate of 48%. The presence of Strombus coronatus places the Estepona fauna in the biostratigraphic unit MPMU 1, between 5.0 and 3.0 Ma., roughly equivalent chronostratigraphically to the Early Pliocene (Zanclean + early Piacenzian). We suggested in the first part of this work that the Málaga basin may have been ‘sanctuary’ for certain Miocene species and further taxa are added to this relict fauna in the present work. Within the Rissoidae, similarities between the Recent Mediterranean and West African faunas have recently been reported in the literature and even closer affinities are found between the Early Pliocene Alboran Sea and Recent West African Rissoidae.