Researchers noted that fossils or individual specimens mostly appear after water movement brings them to the surface.
—
Hanna Wickes,
Charlotte Observer,
30 Mar. 2026
In both cases, the snails and their fossils mostly appear after water movement brings them to the surface — suggesting a larger hidden population living in rock crevices deep underground where water flows.
Many wonders made the list, including royal burial grounds in Egypt, an Indonesian archipelago of 1,500 islands and Turkish cliffs formerly inhabited by Bronze Age troglodytes (cave dwellers).
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