Key Identification Features
- It has an unusual feature: its shell is sinistral.
- The shell is light brown, and often features a single apical chestnut band.
- The only Amphidromus species found on Pulau Panaitan, Amphidromus banksi Butot, is clearly distinct from this form, so the actual locality of f.
- Its sculpture features zigzag ridges combined with small ridges on the periostracum.
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