Polygyra septemvolva, common name the Florida Flatcoil, is a species of air-breathing land snail, a terrestrial gastropod mollusc in the family Polygyridae.

[1] The shells of Polygyra septemvolva are known to show a high degree of variance in size within populations (6.6 - 14.8 mm).

They have been proposed as a suitable model organism due to the ease of culturing and abundant reproduction in a suitable habitat.

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