The non-marine molluscs of Malta are a part of the molluscan fauna of Malta (wildlife of Malta).
A number of species of non-marine molluscs are found in the wild in Malta. There are 78 species of gastropods, 15 species of freshwater gastropods, 62 species of land gastropods) and 2 species of bivalves living in the wild.
There are 5 non-indigenous species of gastropods (2 freshwater and 2 land species). There are no non-indigenous species of bivalves in the wild in Malta.
+ Summary table of number of species: Numbers of molluscs by habitat Number of species (according to this list) Freshwater gastropods 15 Land gastropods 62 Total number of non-marine gastropods 77 Freshwater bivalves 2 Total number of non-marine molluscs 79
Freshwater gastropods Freshwater gastropods in Malta include:
Hydrobiidae Hydrobia acuta (Draparnaud, 1805) - in brackish water Hydrobia ventrosa (Montagu, 1803) - in brackish water Paludinella littorina (Delle Chiaje, 1828) - in brackish water Pseudamnicola moussoni (Calcara, 1841) Heleobia stagnorum (Gmelin, 1791) - synonym: Littorinida stagnorum (Gmelin, 1791) - in brackish water Mercuria similis (Draparnaud, 1805)
Thiaridae Melanoides tuberculata (O. F. Müller, 1774) - probably locally extinctSchembri P. J. (1992). "Diversity and conservation of the non-marine molluscs of the Maltese Islands". In: Giusti F. & Manganelli G. (eds.) Abstracts of the Eleventh International Malacological Congress, Siena 1992. pp. 195-198. University of Siena, Siena, Italy. PDF. Lymnaeidae Galba truncatula (O. F. Müller, 1774) Radix peregra (O. F. Müller, 1774) - probably locally extinct
Physidae Physella acuta Draparnaud, 1805 - non-indigenous
Planorbidae Planorbis moquini Requien, 1848 Planorbis planorbis (Linnaeus, 1758) - probably locally extinct Gyraulus laevis (Alder, 1838) Helisoma duryi Wetherby, 1879 - non-indigenous Ancylus fluviatilis (O. F. Müller, 1774)
Land gastropods Land gastropods in Malta include:
Pomatiidae Pomatias elegans (O. F. Müller, 1774) - non-indigenous Tudorella sulcata (Draparnaud, 1805)
Truncatellidae Truncatella subcylindrica (Linnaeus, 1767) - partly marine, partly land snail
Ellobiidae Leucophytia bidentata (Montagu, 1808) - semi-marine Ovatella firminii (Payraudeau, 1826) - semi-marine Myosotella myosotis (Draparnaud, 1801) - semi-marine Carychium schlickumi Strauch, 1977
Lauriidae Lauria cylindracea (Da Costa, 1778)
Valloniidae Vallonia pulchella (O. F. Müller, 1774)
Vertiginidae Truncatellina callicratis (Scacchi, 1833)
Pleurodiscidae Pleurodiscus balmei (Potiez & Michaud, 1838)
Chondrinidae Granopupa granum (Draparnaud, 1801) Rupestrella philippii (Cantraine, 1840)
Enidae Mastus pupa (Linnaeus, 1758)
Clausiliidae Lampedusa imitatrix (O. Boettger, 1879) - Lampedusa imitatrix imitatrix (O. Boettger, 1879) - endemic; Lampedusa imitatrix melitensis (Gatto, 1892) - endemic Muticaria macrostoma (Cantraine, 1835) - Muticaria macrostoma macrostoma (Cantraine, 1835) - endemic; Muticaria macrostoma oscitans (Charpentier, 1852) - endemic; Muticaria macrostoma macrostoma × Muticaria macrostoma oscitans - endemic; Muticaria macrostoma macrostoma × Muticaria macrostoma scalaris hybrid Lampedusa imitatrix imitatrix × Muticaria macrostoma macrostoma Muticaria macrostoma (Gulia, 1861) - Muticaria macrostoma mamotica (Gulia, 1861) - endemic; Muticaria macrostoma scalaris (L. Pfeiffer, 1848) - endemic Papillifera papillaris (O. F. Müller, 1774)
Ferussaciidae Ferussacia folliculum (Gronovius, 1781) Cecilioides acicula (O. F. Müller, 1774) Cecilioides janii (De Betta & Martinati, 1855) Cecilioides petitiana (Benoit, 1862) Hohenwartiana hohenwarti (Rossmässler, 1839)
Subulinidae Rumina decollata (Linnaeus, 1758)
Testacellidae Testacella riedeli Guisti, Manganelli & Schembri, 1995
Discidae Discus rotundatus (O. F. Müller, 1774) - non-indigenous
Succineidae Oxyloma elegans (Risso, 1826)
Pristilomatidae Vitrea contracta (Westerlund, 1871) Vitrea subrimata (Reinhardt, 1871)
Oxychilidae Mediterranea hydatina (Rossmässler, 1838) Oxychilus draparnaudi (Beck, 1837)
Milacidae Milax nigricans (Schultz, 1836) Tandonia sowerbyi (Férussac, 1823)
Limacidae Limacus flavus Linnaeus, 1758 Lehmannia melitensis (Lessona & Pollonera, 1882) Ambigolimax valentianus (Férussac, 1821) – introduced
Agriolimacidae Deroceras panormitanum (Lessona & Pollonera, 1882) Deroceras golcheri Altena, 1962
Sphincterochilidae Sphincterochila candidissima (Draparnaud, 1801)
Hygromiidae Cernuella caruanae (Kobelt, 1888) - endemic to Malta and Sicily Cernuella cisalpina (Rossmässler, 1837) Cernuella virgata (Da Costa, 1778) Cochlicella acuta (O. F. Müller, 1774) Cochlicella conoidea (Draparnaud, 1801) Schileykiella parlatoris (Bivona, 1839) Trochoidea calcarata (Benoit, 1860) - endemic Trochoidea cucullus (Martens, 1873) - endemic Trochoidea despotti (Soós, 1933) - endemic Trochoidea ogygiaca (Westerlund, 1889) - endemic Trochoidea schembrii (Pfeiffer, 1848) - endemic Trochoidea spratti (Pfeiffer, 1846) - endemic Xerocrassa gharlapsi (Beckmann, 1987) - endemic Xerocrassa meda (Porro, 1840) Xerotricha apicina (Lamarck, 1822) Xerotricha conspurcata (Draparnaud, 1801)
Helicidae Cantareus aperta (Born, 1778) Cornu aspersum (O. F. Müller, 1774) Eobania vermiculata (O. F. Müller, 1774) Murella globularis (Philippi, 1836) Murella melitensis (Férussac, 1821) - endemic Theba pisana (O. F. Müller, 1774)
Trissexodontidae Caracollina lenticula (Michaud, 1831)
Freshwater bivalves Freshwater bivalves in Malta include:
Sphaeriidae Pisidium casertanum (Poli, 1791) Pisidium personatum (Malm, 1855)
See also Lists of molluscs of surrounding oversea countries: List of non-marine molluscs of Italy, Wildlife of Italy List of non-marine molluscs of Tunisia, Wildlife of Tunisia List of non-marine molluscs of Libya, Wildlife of Libya
The following species have been found only as fossils on Malta:
Fossil freshwater gastropods Gyraulus crista (Linnaeus, 1758) Bulinus truncatus (Audouin, 1827)
Fossil terrestrial gastropods Vertigo antivertigo (Draparnaud, 1801) Orculella templorum (Benoit, 1862) Siciliaria septemplicata (Philipii, 1836) Cernuella durieui (Pfeiffer, 1848) Trochoidea caroni (Deshayes, 1830) - fossil endemic to Malta and Sicily
References
External links Beckmann K. H. (1987). "Land - und Süβwassermollusken der Maltesischen Inseln". Heldia 1, suppl. 1: 1-38. Beckmann K. H. (1992). "Catalogue and bibliography of the land and freshwater molluscs of the Maltese Islands, the Pelagi Islands and the isle of Pantelleria". Heldia 2suppl. 2: 1-60. Beckmann K. H. & Gittenberger E. (1987). "The Clausiliidae (Gastropoda) of the Maltese Islands, some additional data". Journal of Conchology 32: 335-338. Holyoak D. T. (1986). "Biological species-limits and systematics of Clausiliidae (Gastropoda) of the Maltese Islands". Journal of Conchology 32: 211-220. Mandahl-Barth G. (1988). "The shell-bearing land-snails of Malta". Mdina, Malta, Friends of the National Museum of Natural History, iv + 65 pp. Soós L. (1933). "A systematic and zoogeographical contribution to the mollusc fauna of the Maltese Islands and Lampedusa". Archiv für Naturgeschichte 2: 305-353. Thake M. A. & Schembri P. J. (1989). "Mollusca". In: Schembri P. J. & Sultana J. (eds.) Red data book for the Maltese Islands. pp. 79–89. Valletta, Malta, Department of Information.