Species
Planorbella trivolvis (Marsh ramshorn)
Planorbella trivolvis. Photo: (c) Kim Cabrera, some rights reserved (CC BY-NC-ND)
Planorbella trivolvis is a species of freshwater air-breathing snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram’s horn snails, or planorbids, which all have sinistral or left-coiling shells.
Sightings
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