The Pliocene Gastropoda (Mollusca) of Estepona, southern Spain. Part 15: Borsoniidae, Clathurellidae, Mitromorphidae, Pseudomelatomidae (Gastropoda, Conoidea)

In this paper we review the Borsoniidae, Clathurellidae, Mitromorphidae, and Pseudomelatomidae of the Lower Piacenzian, Upper Pliocene of Estepona, southern Spain. 15 species of Borsoniidae are recorded, of which two are left in open nomenclature. One species is described as new: Microdrillia plioserratula nov. sp. Aphanitoma pliocenica Vera-Peláez, 2002 is considered a junior subjective synonym of Aphanitoma elegans (D’Ancona, 1872). Genota lusitaniae Vera-Peláez & Lozano-Francisco, 2001 is considered a junior subjective synonym of G. bonnanii Bellardi, 1877. Five species of Clathurellidae are recorded. The genus Comarmondia Monterosato, 1884 is considered a junior subjective synonym of Pleurotomoides Bronn, 1831. Two Mitromorphidae are recorded, one is described as new: Mitromorpha (Mitrolumna) velerinensis nov. sp. Anarithma? multigranosa Vera-Peláez, 2002 is removed from the family and placed in the family Costellariidae MacDonald, 1860. Five species of Pseudomelatomidae Morrison, 1965 are recorded.