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Lunged Aquatic Snail (Pulmonate Pond Snail)

Photo of pulmonate snail crawling on rock

Unliked gilled aquatic snails, lunged aquatic snails breathe via a lunglike pulmonary cavity. They also lack an operculum, the hard horny “trapdoor” that closes when the animal retracts into the shell.

Shortened URL
http://mdc.mo.gov/node/23631