List of non-marine molluscs of Malta explained

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.

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) - 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]
Ambigolimax valentianus (Férussac, 1821) – introduced^[3]

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]

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.

Notes and References

Kolouch. Luboš R.. 2003-07-10. Suchozemští, sladkovodní a brakičtí měkkýši ostrovů Malty [Terrestrial, freshwater and brackish mollusca of Malta islands]]. Malacologica Bohemoslovaca. Czech. 2. 43–50. 10.5817/MaB2003-2-43. 1336-6939. free.
Schembri 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.
Beckmann . K.-H. . Neunachweis von Lehmannia valentiana für die Maltesischen Inseln . Heldia . 2003 . 5 . 1/2 . 37.