Cuban brown snail

[Tim Abbott]

I think that is what these were.  They were all along the shore of Mirror lake in Lakeland, Fl.

[Ira Runyan]

The Cuban Brown Snail is a air breathing snail found in south Florida. In Florida, it has been found in Broward, Collier, Dade, Hillsborough, Monroe, Palm Beach, and Pinellas counties (University of Florida Collections). It lives among leaf litter and among ornamental plantings.

You can read about it and it's relatives at Pleurodontid snails of Florida .

[Tim Abbott]

Thanks Ira, I saw some egg clusters, but no live snails. The shells were all over the place.