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Rock Snail

Pyramidula rupestris

Classification

Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, imperial dye, or simply tyrian, is a reddish-purple natural dye. It is secreted by several species of predatory sea snails in the family Muricidae, rock snails originally known by the name murex (Bolinus brandaris, Hexaplex trunculus and Stramonita haemastoma). The coloured compound is 6,6'-dibromoindigo.

Distribution

(c) Mathijs Zonneveld, some rights reserved (CC BY), uploaded by Mathijs Zonneveld · CC-BY
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Countries in the Picchu catalog
France · 29Spain · 6