| Alcovasaurus Temporal range: Late Jurassic,
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| Skeletal reconstruction of Alcovasaurus longispinus, with known material in white | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Thyreophora |
| Clade: | †Stegosauria |
| Family: | †Stegosauridae |
| Subfamily: | †Dacentrurinae |
| Genus: | †Alcovasaurus Galton & Carpenter, 2016 |
| Species: | †A. longispinus
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| Binomial name | |
| †Alcovasaurus longispinus (Gilmore, 1914)
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| Synonyms | |
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Alcovasaurus, alternatively known as Miragaia longispinus, is a genus of herbivorous stegosaurian dinosaur that lived in the Late Jurassic. It was found in the Morrison Formation of Natrona County, Wyoming, United States.[1] The type species is Stegosaurus longispinus, later given the genus Alcovasaurus.
- ^ Galton, Peter M.; Carpenter, Kenneth (5 February 2016). "The plated dinosaur Stegosaurus longispinus Gilmore, 1914 (Dinosauria: Ornithischia; Upper Jurassic, western USA), type species of Alcovasaurus n. gen". Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen. 279 (2): 185–208. doi:10.1127/njgpa/2016/0551.