Oregon Department of Agriculture guides
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Snails

Parts of a snail

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Common snail identification guide 

Start here:

  • Shell length greater than width
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  • ​shell wider than long 
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Shell longer than wide

  • shell opening less than half the length of shell - Cochlicopa lubrica, glossy pillar
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Cochlicopa lubrica, glossy pillar
  •  Shell opening half or more the length of the shell - Succineidae, amber snails 


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Succineidae, amber snails

Shell wider than long

  • mottled, banded, or striped shell
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  • without mottling, stripes, or bands, shell basically of one color
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Mottled, banded, or striped shell

1. Edge of shell angled or narrowly rounded-Candidula intersecta, wrinkled dune snail 

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Candidula intersecta, wrinkled dune snail
2. Edge of shell evenly rounded and...
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...body cream to tan. Umbilicus partially to completely covered- Cepaea nemoralis, grove snail

 
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Cepaea nemoralis, grove snail
...body brown. Umbilicus partially to completely covered (as above) - Helix aspersa, European brown garden snail.
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Helix aspersa, European brown garden snail
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