superfamily
Helicoidea
Helicoidea
Field notes
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Most observed native Helicoidea All
Native to the US, by observations.
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White-lipped Snail
Cepaea hortensis
23,247 observations
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Pacific Sideband
Monadenia fidelis
13,902 observations
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White-lip Globe Snail
Mesodon thyroidus
10,527 observations
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Southern Flatcoil
Polygyra cereolus
6,466 observations
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Redwood Sideband
Monadenia infumata
2,656 observations
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Southern California Shoulderband
Helminthoglypta tudiculata
2,345 observations
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Texas Oval
Patera roemeri
2,223 observations
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Nicklin's Shoulderband Snail
Helminthoglypta nickliniana
2,125 observations
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Bronze Shoulderband Snail
Helminthoglypta arrosa
1,184 observations
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Trask Shoulderband Snail
Helminthoglypta traskii
1,165 observations
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Speckled Cactussnail
Xerarionta stearnsiana
720 observations
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Big Sur Shoulderband Snail
Helminthoglypta umbilicata
450 observations
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Redwood Shoulderband Snail
Helminthoglypta sequoicola
447 observations
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Point Reyes Shoulderband Snail
Helminthoglypta stiversiana
428 observations
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Silky Shoulderband Snail
Helminthoglypta diabloensis
334 observations