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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 77 species of gastropods, 15 species of freshwater gastropods, 62 species of land gastropods) and 2 species of bivalves living in the wild.

There are 4 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[1]
• Hydrobia ventrosa (Montagu, 1803) - in brackish water[1]
• Paludinella littorina (Delle Chiaje, 1828) - in brackish water[1]
• Pseudamnicola moussoni (Calcara, 1841)[1]
• Heleobia stagnorum (Gmelin, 1791)[2] - synonym: Littorinida stagnorum (Gmelin, 1791)[1] - in brackish water
• Mercuria similis (Draparnaud, 1805)[1]

Thiaridae

• Melanoides tuberculata (O. F. Müller, 1774)[1] - probably locally extinct[2]

Lymnaeidae

• Galba truncatula (O. F. Müller, 1774)[1]
• Radix peregra (O. F. Müller, 1774)[1] - probably locally extinct[2]

Physidae

• Physella acuta Draparnaud, 1805 - non-indigenous[1]

Planorbidae

• Planorbis moquini Requien, 1848[1]
• Planorbis planorbis (Linnaeus, 1758)[1] - probably locally extinct[2]
• Gyraulus laevis (Alder, 1838)[1]
• Helisoma duryi Wetherby, 1879 - non-indigenous[1]
• Ancylus fluviatilis (O. F. Müller, 1774)[1]

Land gastropods

Land gastropods in Malta include:

Pomatiidae

• Pomatias elegans (O. F. Müller, 1774) - non-indigenous[1]
• Tudorella sulcata (Draparnaud, 1805)[1]

Truncatellidae

• Truncatella subcylindrica (Linnaeus, 1767)[1] - partly marine, partly land snail

Ellobiidae

• Leucophytia bidentata (Montagu, 1808)[1] - semi-marine
• Ovatella firminii (Payraudeau, 1826)[1] - semi-marine
• Myosotella myosotis (Draparnaud, 1801)[1] - semi-marine
• Carychium schlickumi Strauch, 1977[1]

Lauriidae

• Lauria cylindracea (Da Costa, 1778)[1]

Valloniidae

• Vallonia pulchella (O. F. Müller, 1774)[1]

Vertiginidae

• Truncatellina callicratis (Scacchi, 1833)[1]

Pleurodiscidae

• Pleurodiscus balmei (Potiez & Michaud, 1838)[1]

Chondrinidae

• Granopupa granum (Draparnaud, 1801)[1]
• Rupestrella philippii (Cantraine, 1840)[1]

Enidae

• Mastus pupa (Linnaeus, 1758)[1]

Clausiliidae

• Lampedusa imitatrix (O. Boettger, 1879) - Lampedusa imitatrix imitatrix (O. Boettger, 1879) - endemic; Lampedusa imitatrix melitensis (Gatto, 1892) - endemic[1]
• 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[1]
• hybrid Lampedusa imitatrix imitatrix × Muticaria macrostoma macrostoma[1]
• Muticaria macrostoma (Gulia, 1861) - Muticaria macrostoma mamotica (Gulia, 1861) - endemic; Muticaria macrostoma scalaris (L. Pfeiffer, 1848) - endemic[1]
• Papillifera papillaris (O. F. Müller, 1774)[1]

Ferussaciidae

• Ferussacia folliculum (Gronovius, 1781)[1]
• Cecilioides acicula (O. F. Müller, 1774)[1]
• Cecilioides janii (De Betta & Martinati, 1855)[1]
• Cecilioides petitiana (Benoit, 1862)[1]
• Hohenwartiana hohenwarti (Rossmässler, 1839)[1]

Subulinidae

• Rumina decollata (Linnaeus, 1758)[1]

Testacellidae

• Testacella riedeli Guisti, Manganelli & Schembri, 1995[1]

Discidae

• Discus rotundatus (O. F. Müller, 1774) - non-indigenous[1]

Succineidae

• Oxyloma elegans (Risso, 1826)[1]

Pristilomatidae

• Vitrea contracta (Westerlund, 1871)[1]
• Vitrea subrimata (Reinhardt, 1871)[1]

Oxychilidae

• Mediterranea hydatina (Rossmässler, 1838)[1]
• Oxychilus draparnaudi (Beck, 1837)[1]

Milacidae

• Milax nigricans (Schultz, 1836)[1]
• Tandonia sowerbyi (Férussac, 1823)[1]

Limacidae

• Limacus flavus Linnaeus, 1758[1]
• Lehmannia melitensis (Lessona & Pollonera, 1882)[1] - endemic to Malta and Italy

Agriolimacidae

• Deroceras panormitanum (Lessona & Pollonera, 1882)[1]
• Deroceras golcheri Altena, 1962[1]

Sphincterochilidae

• Sphincterochila candidissima (Draparnaud, 1801)[1]

Hygromiidae

• Cernuella caruanae (Kobelt, 1888) - endemic to Malta and Sicily[1]
• Cernuella cisalpina (Rossmässler, 1837)[1]
• Cernuella virgata (Da Costa, 1778)[1]
• Cochlicella acuta (O. F. Müller, 1774)[1]
• Cochlicella conoidea (Draparnaud, 1801)[1]
• Schileykiella parlatoris (Bivona, 1839)[1]
• Trochoidea calcarata (Benoit, 1860) - endemic[1]
• Trochoidea cucullus (Martens, 1873) - endemic[1]
• Trochoidea despotti (Soós, 1933) - endemic[1]
• Trochoidea ogygiaca (Westerlund, 1889) - endemic[1]
• Trochoidea schembrii (Pfeiffer, 1848) - endemic[1]
• Trochoidea spratti (Pfeiffer, 1846) - endemic[1]
• Xerocrassa gharlapsi (Beckmann, 1987) - endemic[1]
• Xerocrassa meda (Porro, 1840)[1]
• Xerotricha apicina (Lamarck, 1822)[1]
• Xerotricha conspurcata (Draparnaud, 1801)[1]

Helicidae

• Cantareus aperta (Born, 1778)[1]
• Cornu aspersum (O. F. Müller, 1774)[1]
• Eobania vermiculata (O. F. Müller, 1774)[1]
• Murella globularis (Philippi, 1836)[1]
• Murella melitensis (Férussac, 1821) - endemic[1]
• Theba pisana (O. F. Müller, 1774)[1]

Trissexodontidae

• Caracollina lenticula (Michaud, 1831)[1]

Freshwater bivalves

Freshwater bivalves in Malta include:

Sphaeriidae

• Pisidium casertanum (Poli, 1791)[1]
• Pisidium personatum (Malm, 1855)[1]

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)[1]
• Bulinus truncatus (Audouin, 1827)[1]

Fossil terrestrial gastropods

• Vertigo antivertigo (Draparnaud, 1801)[1]
• Orculella templorum (Benoit, 1862)[1]
• Siciliaria septemplicata (Philipii, 1836)[1]
• Cernuella durieui (Pfeiffer, 1848)[1]
• Trochoidea caroni (Deshayes, 1830) - fossil endemic to Malta and Sicily[1]

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.

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