Cremnoconchus

Cremnoconchus is a genus of small freshwater snails, gastropod mollusks in the (mostly marine) family Littorinidae, the winkles or periwinkles.[4][6]

Cremnoconchus
A drawing of Cremnoconchus syhadrensis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
clade Littorinimorpha
Superfamily:
Littorinoidea
Family:
Littorinidae
Subfamily:
Lacuninae[1]
Genus:
Cremnoconchus

Diversity[3]
9 freshwater species
Synonyms[4]
  • Cremnobates Blanford, 1863[5]
  • Cremnobates Swainson, 1855 (invalid homonym)
  • Cremnobates Gunther, 1861 (invalid homonym)
  • Lissoconchus Thiele, 1929

The generic name Cremnoconchus is from the Greek word κρημνός which means precipice and from the Ancient Greek word κόγχος which means shell.[2]

This genus is the only freshwater genus within the Littorinidae; all other Littorinidae are marine.[6] Two Cremnoconchus species live in waterfalls.[6]

Distribution map of three Cremnoconchus species:
violet - Cremnoconchus conicus
green - Cremnoconchus carinatus
dark red - Cremnoconchus syhadrensis.

The genus Cremnoconchus is endemic to the Northwestern Ghats of India.[6]

Species

There were recognized 2-3 species by Strong et al. in 2008,[6] but Reid et al. described 6 new species of Cremnoconchus in 2013.[3]

Species within the genus Cremnoconchus include:

  • Cremnoconchus agumbensis Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus canaliculatus W. T. Blanford, 1870 - synonym: Cremnoconchus fairbanki Hanley & Theobald, 1876[3]
  • Cremnoconchus castanea Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus cingulatus Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus conicus Blanford, 1870[1] - synonym: Cremnoconchus carinatus (Layard, 1854)[1][3][7]
  • Cremnoconchus dwarakii Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus globulus Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus hanumani Reid, Aravind & Madhyastha, 2013[3]
  • Cremnoconchus syhadrensis (Blanford, 1863)[1][8] - type species[2][3]
Synonyms
  • Cremnochonchus messageri Bavay & Dautzenberg, 1900 is a synonym for Paludomus messageri (Bavay & Dautzenberg, 1900)[3]

References
  1. (file created 29 July 2010) "FRESH WATER MOLLUSCAN SPECIES IN INDIA". accessed 5 September 2011. 11 pp. PDF Archived 2012-03-20 at the Wayback Machine.
  2. Blanford W. T. (1869). "Notes on some Indian and Mascarene Land-Shells". Annals and Magazine of Natural History (4)3: 340-344. page 343.
  3. Reid D. G., Aravind N. A., & Madhyastha N. A. (2013). "A unique radiation of marine littorinid snails in the freshwater streams of the Western Ghats of India: the genus Cremnoconchus W.T. Blanford, 1869 (Gastropoda: Littorinidae)". Zoological Journal of the Linnean Society 167(1): 93-135. doi:10.1111/j.1096-3642.2012.00875.x.
  4. Bouchet, P.; Reid, David G. (2011). Cremnoconchus Blanford, 1869. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=446361 on 2011-09-05
  5. Blanford W. T. (1863). "Descriptions of Cremnobates Syhadrensis and Lithotis rupicola, two new Generic Forms of Mollsca inhabiting Cliffs in the Western Ghats of India." Annals and Magazine of Natural History (3)12: 184-187. plate 4, figure 1-7.
  6. Strong E. E., Gargominy O., Ponder W. F. & Bouchet P. (2008). "Global Diversity of Gastropods (Gastropoda; Mollusca) in Freshwater". Hydrobiologia 595: 149-166. hdl.handle.net doi:10.1007/s10750-007-9012-6.
  7. Reid, David G. (2010). Cremnoconchus conicus Blanford, 1870. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=446844 on 2011-09-05
  8. Reid, David G. (2010). Cremnoconchus syhadrensis (Blanford, 1863). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=446845 on 2011-09-05
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