Doryssa is a genus of freshwater snails which have an operculum, aquatic gastropod mollusks in the family Pachychilidae.
Distribution These freshwater snails are endemic to South America.
Species Species within the genus Doryssa include: Doryssa atra (Bruguière, 1792)Baker H. B. (1930). "The Mollusca collected by the University of Michigan – Williamson expedition in Venezuela". Occasional Paper of Museum of zoology 210: 1–95. PDF Doryssa brevior (Troschel, 1848) - type species of the genus DoryssaBouchet, P. (2015). Doryssa H. Adams & A. Adams, 1854. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=848311 on 2015-10-09 Doryssa consolidata (Bruguière, 1790) Doryssa derivans Brot, 1874 Doryssa geijskesi (Pain, 1956) Doryssa gruneri (Jonas, 1844) Doryssa hohenackeri (Philippi, 1851) Doryssa kappleri (Vernhout, 1914)Abbott R. T. (1955). "Anatomy of the Venezuelan gastropod, Doryssa kappleri". The Nautilus 69: 44–46, plate. Doryssa lamarckiana (Brot, 1870) Doryssa petechialis (Brot, 1860) Doryssa schuppi (Ihering, 1902) Doryssa transversa (Lea, 1850)
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