Bloom Native gardener's
field companion

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  1. Life
  2. Animals
  3. Mollusks
  4. Gastropods
  5. Littorinimorph Snails
  6. Helmet and Bonnet Snails
  7. Cassinae
  8. Helmet Shells

genus

Helmet Shells

Cassis

Includes
3 native 1 present
Where
In the US
Source
iNaturalist

Field notes

Children

  • King Helmet Snail presumed native
  • Horned Helmet Snail present
  • Emperor Helmet Snail presumed native
  • Flame Helmet Snail presumed native

Range

United States

Greener is more native, amber more introduced; paler is less certain. How this was decided

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