Helisoma anceps,[2] common name the two-ridge rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.[3]
This species is distributed from Mexico, through the Central United States, to central Canada.[2]
It was introduced to Europe.[2]
Helisoma anceps, common name the two-ridge rams-horn, is a species of air-breathing freshwater snail, a pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Helisoma anceps is een slakkensoort uit de familie van de Planorbidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1830 door Menke.
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