MICRO SNAIL SPECIES

Recently, a micro snail species named Georissamawsmaiensis has been discovered in Mawsmai Cave in Meghalaya.

Important points:

  • The new species is unique from Georissasarrita (a member of the same genus discovered in 1851) in its shell morphology, starting from shell size variation to the presence of four very prominent spiral striations (a minute groove, scratch) on body whorls of the shell.
  • These spiral striations, which are counted from the suture to aperture in apertural view, are seven in Georissasarrita.
  • Georissa is found in soil or subterranean habitats in lowland tropical forest as well as high altitude evergreen forests or on rock surfaces rich in calcium.
  • The members of the Georissa genus are widely distributed across and reported from Africa, Asia, and the Pacific However, they are confined to microhabitats consisting of limestone caves or karst landscapes formed by the dissolution of limestone.
  • The high tourist influx may pose a threat to this micro snail species including other cave faunas.

SOURCE: THE HINDU,THE ECONOMIC TIMES,MINT

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