Most observed native Calyptraeoidea
Native to the US, by how plants support them, most observed first.
Plant eaters All
1 native animals that feed on plants, most observed first.
Other species All
19 native species with no plant ties on record, most observed first.
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Pacific Half-slipper Snail
Crepipatella lingulata
1,080 observations
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Hooked Slippersnail
Crepidula adunca
1,023 observations
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Onyx Slippersnail
Crepidula onyx
1,020 observations
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Spiny Cup-and-Saucer
Crucibulum spinosum
876 observations
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Eastern White Slippersnail
Crepidula plana
700 observations
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Spiny Slippersnail
Bostrycapulus aculeatus
337 observations
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Convex Slippersnail
Crepidula convexa
292 observations
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Western White Slipper-shell
Crepidula perforans
232 observations