Bostryx anomphalus is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of tropical air-breathing land snail

Land snail

A land snail is any of the many species of snail that live on land, as opposed to those that live in salt water and fresh water. Land snails are terrestrial gastropod mollusks that have shells, It is not always an easy matter to say which species are terrestrial, because some are more or less...

, a pulmonate gastropod mollusk in the family Orthalicidae

Orthalicidae

Orthalicidae are a family of tropical air-breathing land snails, terrestrial pulmonate gastropod mollusks are classified in the informal group Sigmurethra of the clade Stylommatophora...

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Distribution

• Peru The northern-most limit of this species is Cajamarca Region
  Cajamarca Region
  Cajamarca is a region in Peru. The capital is the city of Cajamarca. It is located in the north part of the country and shares a border with Ecuador...
  
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Description

This is a variable species in its colour pattern, some specimens being uniformly whitish, others with axial streaks of various shades of brown at irregular intervals. Several specimens show a faint pattern of two or three spiral bands on the last whorl, the broadest around the shell base and one or two above the periphery. The upper whorls are whitish, bluish or in some specimens roseate.