Lymnaeidae - online puzzles

Lymnaeidae, common name the pond snails, is a taxonomic family of small to large air -breathing freshwater snails, aquatic pulmonate gastropod mollusks, that belong to the clade Hygrophila.

Lymnaeidae is the only family within the superfamily Lymnaeoidea (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).