Adaptation

 

The "Blade Vertigo" has a shell that is distinctly defined as sub-cylindrical. It is very small with a glossy coating. It commonly contains five whorls and is dark chestnut in color (Baker, 1902). They have two eye peduncles that are somewhat medium in length and have large tips on the end to which the eyes are placed.

It has a pale horn with a very blunt and thick lamella. The thick palatal is folded short, and set deep inside the aperture which contains three teeth with a first marginal tooth (Baker, 1902). Sometimes there are developed tubercles but they do not affect its direct character (Baker).

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