Tecodont
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Also known as alveolodonts. A group of primitive reptiles from the late Permian to Triassic periods. They are the ancestors of dinosaurs and birds. Euparcheria was bipedal and had a body length of about 1m. Rutiodon resembled a crocodile. Source : Heibonsha Encyclopedia About MyPedia Information |
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槽歯(そうし)類とも。ペルム紀後期〜三畳紀の原始的な爬虫(はちゅう)類の一群。恐竜や鳥類などの祖先にあたる。ユーパルケリアは二脚歩行性，体長1mほど。ルティオドンはワニに似る。
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