"Lymnaea is a genus of small to large-sized air-breathing freshwater snails, aquatic pulmonate gastropod mollusks in the family Lymnaeidae, the pond snails. Some species are used ...
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in aquaculture under the name Melantho snails.
Lymnaea is the type genus of the family Lymnaeidae." - (en.wikipedia.org 07.03.2020)
