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Class GASTROPODA

 


bullet gif The class Gastropoda includes the snails, limpets, whelks, winkles, sea slugs...

snail gif

bullet gif May be marine, freshwater, or terrestrial.

bullet gif The gastropods are the largest and most successful class of mollusks, with about 100,000 known living species.

bullet gif Their main characteristic is that they have a single spiral shell or valve (snails). However there are exceptions:

- The limpets shell is not spiral

- The sea slugs, sea hares, nudibranches (marine slug) have forsaken their gills and shells.

gastropods shells

Gastropods shells

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GASTROPODS

Terrestrial gastropods:




snail

Snail

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slug

 Slug (lack snail)

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Marine gastropods:

 

 


winkles

Winkles

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sea slug

Sea slug (Nudibranch)

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limpets

Limpets (no spiral shell)

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sea-slug

Sea-slug (Aplysia)

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