1. Extinct reptiles including: dinosaurs; plesiosaurs; pterosaurs; ichthyosaurs; thecodonts
   - archosaur, archosaurian

Derived forms: archosaurian reptiles

Type of: diapsid, diapsid reptile

Part of: Archosauria, subclass Archosauria

• tussur
• tut
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• Tutankhamen
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• Tuxtla Gutierrez