Madagasikara (gastropod)

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Madagasikara spinosa shell.png
Drawing of the apertural view of a shell of Madagasikara spinosa
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Caenogastropoda
clade Sorbeoconcha
Superfamily: Cerithioidea
Family: Pachychilidae
Genus: Madagasikara
Köhler & Glaubrecht, 2010[1]
6 species

Melanatria Bowdich, 1822[2]

Madagasikara is a genus of tropical freshwater snails with an operculum, aquatic gastropod molluscs in the family Pachychilidae.[1]

The generic name Madagasikara is from the Malagasy language and means "Madagascar".[1]

This genus is endemic to Madagascar.[1]

Apertural view of a shell of Madagasikara madagascariensis


In systematic literature before 2010 the name Melanatria Bowdich, 1822 was generally used for this group. Another name, which was used particularly in earlier taxonomic literature of the 19th century is Pirena Lamarck, 1799. However, it has been shown that both names are not available for this genus. The name Melanatria is a nomen dubium, not based on a recognizable species while the name Pirena is a junior synonym of Faunus Born, 1758, which is a different genus within the family Pachychilidae. Therefore, introduction of a new name, Madagasikara, was required to maintain a stable taxonomy.[1]


Species within the genus Madagasikara include:


  1. ^ a b c d e f g h i j k l m n Köhler, F. & Glaubrecht, M. (2010). "Uncovering an overlooked radiation: molecular phylogeny and biogeography of Madagascar’s endemic river snails (Caenogastropoda: Pachychilidae: Madagasikara gen. nov.). Biological Journal of the Linnean Society 99: 867-894. doi:10.1111/j.1095-8312.2009.01390.x
  2. ^ Bowdich (1822). Elem. Conch. 1: 27, 28.
  3. ^ Brown D. S. (1996). Melanatria madagascarensis. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.
  4. ^ Brown D. S. (1996). Melanatria fluminea. 2006 IUCN Red List of Threatened Species. Downloaded on 7 August 2007.
Madagasikara fluminea (Gmelin, 1791), museum specimens.