| Anasazisaurus Temporal range: Late Cretaceous,
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| Holotype skull | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Family: | †Hadrosauridae |
| Subfamily: | †Saurolophinae |
| Tribe: | †Kritosaurini |
| Genus: | †Anasazisaurus Hunt & Lucas, 1993 |
| Type species | |
| †Anasazisaurus horneri Hunt & Lucas, 1993
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Anasazisaurus (/ˌɑːnəˌsɑːziˈsɔːrəs/ AH-nə-SAH-zee-SOR-əs; "Anasazi lizard") is a genus of saurolophine hadrosaurid ("duckbill") ornithopod dinosaur that lived about 74 million years ago, in the Late Cretaceous Period. It was found in the Farmington Member of the Kirtland Formation, in the San Juan Basin of New Mexico, United States. Only a partial skull has been found to date. It was first described as a specimen of Kritosaurus by Jack Horner, and has been intertwined with Kritosaurus since its description. It is known for its short nasal crest, which stuck out above and between its eyes for a short distance.