Neritidae – marine and freshwater Nerita peloronta Linneo, 1758 Nerita versicolor Gmelin, 1791 Nerita tesselata Gmelin, 1791 Nerita fulgurans Gmelin, 1791 Neritina meleagris Lamarck, 1822 Neritina piratica Russel, 1940 Neritina virginea (Linneo, 1758) Neritina reclivata (Say, 1822) Smaragdia viridis maris (Linneo, 1758) Olividae – marine Oliva schepmani Weisbord, 1962 Oliva scripta Lamarck, 1810 Olivella minuta (Link, 1807) Ancilla glabrata (Linneo, 1758) Orthalicidae – terrestrial Drymaeus knorri (Pfeffer, 1846) Orthalicus maracaibensis (Pfeiffer) Ovulidae – marine Cyphoma intermedium Cate, 1973 Cyphoma gibbosum (Linneo, 1758) Pachychilidae – terrestrial Pachychilus laevisimus (Sowerby, 1824) Phasianellidae – marine Tricolia affinis (C.B. Adams, 1850) Tricolia thalassicola Robertson, 1958 Tricolia tessellata (Potiez y Hichaud, 1838) Planaxidae – marine Planaxis nucleus (Bruguiere, 1789) Planorbidae – freshwater Drepanotrema aheum Baker, 1930 Drepanotrema cimex pistiae Baker, 1930 Pleurodontidae – terrestrial Labyrinthus leucodon (Pfeiffer, 1847) Labyrinthus umbrus (Thompson, 1957) Potamididae – marine Cerithidea costata (Da Costa, 1778) Batillaria minima (Gmelin, 1791) Rissoinidae – marine Rissoina fischeri Desjardin, 1949 Rissoina bryerea (Montagu, 1803) Rissoina decussata (Montagu, 1803) Zebina browniana (Orbigny, 1842) Alvania auberiana (Orbigny, 1842) Siphonariidae – marine Siphonaria pectinata (Linneo, 1758) Strombidae – marine Strombus pugilis Linneo, 1758 Strombus raninus Gmelin, 1791 Strombus gigas Linneo, 1758 Subulinidae – terrestrial Leptinaria lamellata (Potiez & Michaud, 1838) Opeas beckianum (Pfeifer) Opeas pumilium (Pfeifer) Subulina octona (Bruguièri, 1792) Terebridae – marine Terebra protexta Conrad 1845 Terebra cinerea (Born, 1778) Terebra taurina Lightfoot, 1786 Thiaridae – freshwater Thira granifera (Lamarck, 1816) Melanoides tuberculata (Múller, 1774) Tonnidae – marine Tonna maculosa (Dillwyn, 1817) Tonna galea (Linneo, 1758) Trochidae – marine Cittarium pica (Linneo, 1758) Calliostoma pulchrum (C.B. Adams, 1850) Calliostoma sarcodulum Dall Tegula fasciata (Born, 1778) Tegula viridula (Gmelin, 1791) Turbinellidae – marine Turbinella angulata (Lightfoot, 1786) Vasum muricatum (Born, 1778) Turbinidae – marine Turbo castanea Gmelin, 1791 Astraea brevispina (Lamarck, 1822) Astraea tuber (Linneo, 1767) Astraea caelata (Gmelin, 1791) Turridae – marine Fusiturrieula pauletae Princz, 1978 Polystira albida (Perry, 1811) Drillia gibbosa (Born, 1778) Hindsiclava consors (Sowerby) Pyrgocythara candidissima (C.B. Adams, 1845) Turritellidae – marine Turritella variegata (Linneo, 1758) Turritella paraguanensis F. Hudson Urocoptidae – terrestrial Brachypodella hanleyana (Pfeiffer) Brachypodella leucopleura (Menke, 1847) Vermetidae – marine Serpulorbis decussatus (Gmelin, 1791) Vitrinellidae – marine Teinostoma megastoma (C.B. Adams, 1850) Volutidae – marine Voluta musica Linneo, 1758 Class Bivalvia Arcidae - marine Arca zebra (Swainson, 1833) Arca imbricada Bruguiere, 1789 Barbatia candida (Helbling, 1779) Barbatia tenera (C.B. Adams, 1845) Barbatia cancellaria (Lamarck, 1819) Barbatia dominguensis (Lamarck, 1819) Anadara