[4] The base of the shell is typically pale olive or tan in color, with irregular, radiating chestnut to dark brown stripes and oblique radial streaks.

[5] Though some previous reports claim that Cumberland tigernsail individuals were found in Pennsylvania, but they are now believed to be incorrect.

However its specific habitat requirements and tendency to exist in elusive, distinct populations– sometimes hundreds of kilometers of apart– make estimating population size and distribution difficult.

[8] They are most commonly found on or around hillside limestone outcrops near rivers or streams in hardwood forests.

Its thin shell allows it to burrow into crevices in limestone boulders where it retreats in order to shelter from the elements and hibernate.