Most observed native periwinkle snails and allies
Native to the US, by how plants support them, most observed first.
Plant eaters All
6 native animals that feed on plants, most observed first.
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Flat Periwinkle
Littorina obtusata
4,117 observations
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Rough Periwinkle
Littorina saxatilis
3,075 observations
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Mangrove Periwinkle
Littoraria angulifera
2,009 observations
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Northern Lacuna
Lacuna vincta
1,566 observations
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Intertidal Zebra Snail
Echinolittorina lineolata
397 observations
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Flat Skeneopsis
Skeneopsis planorbis
72 observations
Other species All
18 native species with no plant ties on record, most observed first.
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Marsh Periwinkle
Littoraria irrorata
4,603 observations
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Checkered Periwinkle
Littorina scutulata
3,791 observations
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Eroded Periwinkle
Littorina keenae
2,296 observations
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Sitka Periwinkle
Littorina sitkana
2,249 observations
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Beaded Periwinkle
Cenchritis muricatus
2,177 observations
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Dotted Periwinkle
Littoraria pintado
1,258 observations
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Zebra Periwinkle
Echinolittorina ziczac
1,013 observations
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Quiet Periwinkle
Echinolittorina placida
666 observations