Stemma (plural stemmata) may refer to:
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In stemmatics, an approach to textual criticism, a stemma or stemma codicum is a diagram showing the relationships of the various versions of a text to earlier versions or manuscripts
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Tree-like diagrams representing sentence structure and syntax created by Lucien Tesnière
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Coat of arms or arms in the Italian language
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A family tree or recorded genealogy
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Stemmata refers to a class of simple eyes in arthropods
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Kind of imperial crown in the late Roman, the Byzantine and the Bulgarian empires
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Ensemble of pictures of ancestors hanged in the atrium of a patrician domus in ancient Rome. These pictures ("imagines") where connected among them with painted lines
