CLASSIFICATION OF HELIX (GARDEN SNAIL)​

KINGDOM :- ANIMALIA (Multicellular eukaryotic organisms)

PHYLUM :- MOLLUSCA (Unsegmented bilaterally symmetrical and provided with visceral mass, foot and mantle.)

CLASS :- GASTROPODA (Head bearing tentacles, eyes and radula; visceral hump and shell coiled due to torsion.)

SUB-CLASS :- EUTHYNEURA (Nerve loop not twisted in figure of 8.)

ORDER :- PULMONATA (Air-breathing forms.)

SUB-ORDER :- STYLOMMATOPHORA (Eyes at the tips of posterior tentacles.)

FAMILY :- HELICIDAE (The shells of these snails are mostly rather globular in shape)

GENUS :- Helix (Escargot or Vineyard snail)

GEOGRAPHICAL DISTRIBUTION

  • Several species are found in Palarctic region; poorly represented in America.

HABIT AND HABITAT

  • Helix is common terrestrial air breathing gastropod, nocturnal hibernating creature (in winter). It feeds on leafy vegetation.

HELIX (GARDEN SNAIL)​

GENERAL CHARACTERSTICS OF HELIX (GARDEN SNAIL)​

  • Commonly called as garden snail.
  • Shell is thin, external and heliciform with a low conical spire, measuring 4 cm in length. 
  • Shell has a smooth aperture and prominent lines of growth.
  • Body consists of head, foot and visceral hump.
  • Head comprises of two pairs of tentacles and mouth. The posterior pair of tentacles bears eyes (oculiferous). The mouth is provided with three prominent lips.
  • Anterior pair of tentacles small while posterior pair of tentacles are large which bear oculiferous eyes.
  • Genital aperture opens above the right lateral lip. The gonads contain 4-angled dart and multified digitiform glands.
  • Gills are absent, foot is undivided longitudinally and radula is well developed with several rows of curved teeth.
HELIX (GARDEN SNAIL)​

ECONOMIC IMPORTANCE

  • The French edible snail (Helix pomatid) is sold in the markets of America and European countries. It forms delicious dish.

IDENTIFICATION

  • The animal contains oculiferous tentacles, visceral hump and all above features, hence it is Helix.

HELIX (GARDEN SNAIL)​
HELIX (GARDEN SNAIL)​
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