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The lead section of this article may need to be rewritten. The reason given is: This intro provides no context. What is a "Shia sect"? What defines them as sects? What defines them as "Shia" (i.e. Ahmadiyya isn't considered a "Sunni sect"). What defines them as extinct? How do we know they are in fact extinct? Use the lead layout guide to ensure the section follows Wikipedia's norms and is inclusive of all essential details. (January 2010) (Learn how and when to remove this template message)
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The following is a list of extinct unorthodox movements within Shia Islam. These are movements that no longer have any living followers or practitioners. These movements were created around certain beliefs that were unorthodox and not held by the mainstream Shia Muslims. These movements eventually after their very brief existence had their followers fall into mainstream Islam.