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The Early Jurassic sauropod dinosaurs ''Zizhongosaurus'', ''Barapasaurus'', ''Tazoudasaurus'', and ''Vulcanodon'' may form a natural group of basal sauropods called the Vulcanodontidae. Basal vulcanodonts include some of the earliest known examples of sauropods. The family-level name Vulcanodontidae was erected by M.R. Cooper in 1984.〔 In 1995 Hunt ''et al.'' published the opinion that the family is synonymous with the Barapasauridae.〔 One of the key morphological features specific to the family is an unusually narrow sacrum. ImageSize = width:700px height:auto barincrement:20px PlotArea = left:10px bottom:50px top:10px right:10px Period = from:1970 till:2015 TimeAxis = orientation:horizontal ScaleMajor = unit:year increment:50 start:1970 ScaleMinor = unit:year increment:10 start:1970 TimeAxis = orientation:hor AlignBars = justify Colors = #legends id:CAR 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Vulcanodontidae」の詳細全文を読む スポンサード リンク
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