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Lesothosaurus : ウィキペディア英語版 | Lesothosaurus
''Lesothosaurus'' is an herbivorous ornithischian dinosaur. It was named by paleontologist Peter Galton in 1978, the name meaning "lizard from Lesotho". The genus is monotypic, having only one valid species, ''Lesothosaurus diagnosticus'', within the genus. ==Classification== ''Lesothosaurus'' was originally considered an ornithopod. However, more recent work by Paul Sereno has suggested that it may actually represent one of the most primitive of all known ornithischian dinosaurs. The taxonomic history of ''Lesothosaurus'' is complex and it has long been confused with ''Fabrosaurus'', another small ornithischian from the same locality. In 2005, Richard J. Butler published a new phylogenetic study of ornithischians, in which he proposed that ''Lesothosaurus'' was a basal member of the clade Neornithischia, which includes pachycephalosaurs, ceratopsians and ornithopods. Alternatively, this dinosaur may be a very early thyreophoran, a member of the group including the armored stegosaurians and ankylosaurians. ''Stormbergia'' may represent the adult form of ''Lesothosaurus''.
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