Fabrosaurus
| Fabrosaurus Temporal range: Early Jurassic,
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| Holotype dentary | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Family: | †Fabrosauridae |
| Genus: | †Fabrosaurus Ginsburg, 1964 |
| Type species | |
| †Fabrosaurus australis Ginsburg, 1964
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Fabrosaurus (/ˌfæbrəˈsɔːrəs/[1] FAB-rə-SOR-əs) is a dubious extinct genus of ornithischian dinosaur that lived during the Early Jurassic during the Hettangian to Sinemurian stages 199 - 189 mya.[2] It was originally placed within the now obsolete family Fabrosauridae (now considered basal Ornithischia).[2]
Fabrosaurus was named and described by paleontologist Leonard Ginsburg in 1964 based on the holotype specimen, MNHN LES9, a partial jawbone with three teeth.[2] The name Fabrosaurus means "Fabre's lizard", honoring Jean Fabre, a French geologist and a colleague of Ginsburg on the expedition that collected the fossil in Basutoland (now Lesotho). The type species, F. australis, was named for the location of the fossil in the Elliot Formation, Lesotho, Southern Africa (australis being Latin for "southern"). Fabrosaurus was initially placed within Scelidosauridae by Ginsburg (1964),[2] but later studies have placed it as a basal ornithischian.[3]
Subsequent discoveries included two crushed skulls and disarticulated post-cranial bones (including vertebrae, ribs, and limb bones), allowing for a more complete reconstruction.[4][5] However, as additional ornithischian fossils were discovered, the features of F. australis were thought to be shared by other species, and by the 1990s and 2000s most authors working with the group found Fabrosaurus to be a nomen dubium (doubtful name), finding the holotype material described by Ginsburg to be insufficient to distinguish a new taxon. Some claim the fossils represent simple variation of Lesothosaurus, which is regarded as a valid taxon.[3]
References
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- ^ "Fabrosaurus". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 2020-03-22.
- ^ a b c d Ginsburg, L., (1964), "Decouverte d’un Scelidosaurien (Dinosaure ornithischien) dans le Trias superieur du Basutoland", Comptes Rendus de l'Académie des Sciences de Paris, 258; 2366–2368.
- ^ a b Butler, Richard J. (March 2005). "The 'fabrosaurid' ornithischian dinosaurs of the Upper Elliot Formation (Lower Jurassic) of South Africa and Lesotho" (PDF). Zoological Journal of the Linnean Society. 145 (2): 175–218. doi:10.1111/j.1096-3642.2005.00182.x.
- ^ Thulborn, R. A. (1970). The skull of Fabrosaurus australis, a Triassic ornithischian dinosaur Archived 2016-03-04 at the Wayback Machine. Palaeontology, 13(3), 414–432.
- ^ Thulborn, R. A. (1972). The post-cranial skeleton of the Triassic ornithischian dinosaur Fabrosaurus australis Archived 2016-03-04 at the Wayback Machine. Palaeontology, 15(1), 29–60.
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