This partial list of non-marine molluscs of El Hatillo Municipality, Miranda, Venezuela shows that El Hatillo Municipality has a rich mollusc fauna. The municipality is land-locked, therefore there are no saltwater molluscs. This list currently (2011) includes only terrestrial gastropods, in other words land slugs and land snails; whether there are any freshwater species of snails and clams is not yet recorded. The terrestrial mollusc fauna contains 38 species that have been reported in the specialized literature and by observation in the territories of the municipality. El Hatillo Municipality consists of urban and rural areas: The urban areas are: El Hatillo town, El Calvario, La Lagunita, Alto Hatillo La Boyera, Las Marías, Oripoto, Los Pomelos, Los Naranjos, Los Geranios, La Cabaña, Cerro Verde, Llano Verde, Colinas, Vista El Valle, and Los Olivos y El Cigarral. The rural areas are: La Unión, Corralito, Turgua, La Hoyadita, Sabaneta, La Mata, Caicaguana, and Los Naranjos y Altos de Halcón. Gastropods Family Helicinidae genus Helicina Helicina spp. Family Ampullariidae genus Marisa Marisa cornuarietis Linnaeus, 1858 genus Pomacea Pomacea glauca Linnaeus, 1856 Pomacea bridgesii (Reeve, 1856) - introduced Pomacea canaliculata (Lamarck, 1819) - introduced Pomacea haustrum (Revee, 1856) - introduced Family Neocyclotidae genus Poteria Poteria fasciatum (Kobelt & Schwanheim, 1912) Poteria translucida (Sowerby 1843) Family Pachychilidae genus Pachychilus Pachychilus laevisimus (Sowerby, 1824) Family Thiaridae genus Tarebia Tarebia granifera (Lamarck, 1822) - introduced genus Melanoides Melanoides tuberculata (Müller, 1774) - introduced Melanoides sp. - introduced Family Lymnaeidae genus Lymnaea Lymnaea columellaris Say, 1817 Lymnaea cubensis Pfeifer, 1839 Family Planorbidae genus Helisoma Helisoma duryi (Wetherby, 1989) - introduced genus Taphius Taphius glabratus (Say, 1818) Family Physidae genus Aplexa Aplexa rivalis (Maton & Rackett, 1807) Family Achatinidae genus Achatina Achatina fulica (Bowdick, 1822) - introduced Family Arionidae genus Arion Arion subfuscus (Draparnaud) Family Amphibulimidae genus Dryptus Dryptus marmoratus (Dunker, 1844) genus Plekocheilus Plekocheilus distortus (Bruguiére, 1789) Plekocheilus euryomphala (Jonas, 1844) Family Orthalicidae genus Orthalicus Orthalicus maracaibensis (Pfeiffer, 1856) Family Camaenidae genus Labyrinthus Labyrinthus plicatus (Born, 1780) Labyrinthus umbrus Thompson, 1957 Family Helicidae genus Helix Cepaea hortensis (Müller, 1774) - introduced Cepaea nemoralis (Linnaeus, 1758) - introduced Cornu aspersum = Helix aspersa Müller, 1799 - introduced Helix pomatia Linnaeus, 1758 - introduced Family Agriolimacidae genus Deroceras Deroceras laeve (Müller, 1774) Family Strophocheilidae genus Megalobulimus Megalobulimus oblongus (Müller, 1774) Family Subulinidae genus Lamellaxis Lamellaxis micra (D'Orbigny, 1842) genus Leptinaria Leptinaria lamellata (Potiez & Michaud, 1838) Leptinaria unilamellata (D'Orbigny, 1842) genus