{"text":"然而，异齿龙生活在2.9亿年前，远早于恐龙的时代。虽然异齿龙有着蜥蜴似的身体，以及沿着整个背部的帆形突起，还有着一排排锋利的牙齿，但事实上，它在亲缘关系上更接近哺乳动物而非恐龙。","title":"不可思议的骨骼：支撑生命的杰作","author":"[英]马克·威廉姆斯(Mark Williams)","url":null,"source_url":null,"source_type":"book","category":null,"location_type":"order","location":1,"note":"","highlighted_at":"2024-05-24T00:48:55.680784Z","highlight_url":null,"image_url":"https://readwise-assets.s3.amazonaws.com/static/images/default-book-icon-4.11327a2af05a.png","id":725619530,"user_book_id":40967077,"api_source":null}