...Recently, many new dinosaurs have been unearthed, mainly in Mongolia and China, and there is still confusion, as the suborder Theropoda has been subdivided and the Pachycephalosaurus family in the Ornithischia order has been separated into separate groups. Both of these dinosaur orders appeared in the late Triassic, and the Saurischia is said to have evolved from the bipedal Coelophysis , which is thought to have originated from the Thecodonts. One evolved into various sizes of carnivorous dinosaurs, and the other developed into large, quadrupedal herbivorous dinosaurs (Sauropods), which reached their largest size during the Jurassic period. ... *Some of the terminology that mentions "Coelophysis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…最近ではモンゴル,中国などアジアを中心に新しい恐竜が多く発掘され,獣脚亜目が細分化されたり,鳥盤目ではパキケファロサウルスの仲間を独立させる考えなどがあり,まだ混乱がある。恐竜類の2目はいずれも三畳紀後期に出現し,竜盤目は二脚歩行性のコエロフィシスCoelophysisから進化したといわれ,これは槽歯目(テコドント類)に起源すると考えられている。一つは大小さまざまな肉食性恐竜に発展し,一つは四脚歩行の大型植食性恐竜(竜脚類)に発展し,これらはジュラ紀に最大となった。… ※「Coelophysis」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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