![](http://www.alamy.com/thumbs/6/A8EFE5ED-CF27-40C2-B77F-6E72B06AD9DF/2C1TY1C.jpg)
Posthorn snails Planorbarius corneus from Federsee
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Photo credit: © Kiefer / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: basommatophora, case, corneus, freshwater, hemoglobin, horn, housing, lake, life, lime, lymnaea, mollusc, omnivore, planorbarius, planorbidae, plate, pointed, posthorn, snail, spring, twitcher, wassrss, watersnail