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Lucianosaurus
''Lucianosaurus'' is an extinct genus of amniote of unknown affinities, known only from teeth. Initially described as a basal ornithischian dinosaur, subsequently reclassified as a member of the clade Archosauriformes of uncertain phylogenetic placement〔Irmis, R.B., Parker, W.G., Nesbitt, S.J., and Liu, J. (2006). Early ornithischian dinosaurs: the Triassic record. ''Historical Biology'' 19(1):3-22. 〕 and later, taking into account the similarity of its teeth to the teeth of traversodontid cynodonts such as ''Dadadon'' (shared presence of teeth with sub-triangular crowns, enlarged denticles, and thecodont tooth implantation), as an amniote of uncertain affinities (though based on dissimilarities in gross morphology and geographic separation it is still more likely that the taxon is indeed an archosauriform rather than a traversodontid). It was found in Late Triassic strata in Eastern New Mexico, United States.〔Hunt, A.P. and Lucas, S.G. 1994. Ornithischian dinosaurs from the Upper Triassic of the United States. In: Fraser, N.C. and Sues, H.-D. (eds), In the Shadow of the Dinosaurs: Early Mesozoic Tetrapods. Cambridge University Press, pp. 227-241.〕 The generic name refers to Luciano Mesa where the fossil remains were found.
== References ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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