…distributed in southeastern North America, Central and South America (up to the Rio de la Plata basin), and the lower reaches of the Yangtze River (Changjiang) in China. Only one species, the Chinese alligator, Alligator sinensis (total length 2m), is found in the Asian continent, but fossils of the same genus have been found in Europe and the Americas, suggesting a continuous distribution in the past. The Alligatoridae family is divided into two groups, the Alligators and the Caimanidae, based on differences in the structure of the skull, scales, etc. … *Some of the terminology that mentions "Alligator sinensis" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…北アメリカの南東部,中央および南アメリカ(ラ・プラタ川流域まで)と,中国の長江(揚子江)下流域に分布。ヨウスコウワニAlligator sinensis(全長2m)1種だけが他とかけ離れてアジア大陸に分布するが,ヨーロッパ,アメリカ大陸から同系統のワニ化石種が発見されており,過去における連続分布が推測できる。 アリゲーター科は頭骨,鱗板などの構造の相違により,アリゲーター類,カイマン類の2群に分けられる。… ※「Alligator sinensis」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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