A turtle of the Testudinidae family, the largest land turtle. It is called a giant tortoise because the shape of its limbs and the skin on its neck resemble those of an elephant. There are two extant species: the Aldabra giant tortoise, Geochelone gigantea (Aldabra giant tortoise) (illustration), found on the Seychelles and Aldabra islands in the Indian Ocean, and the Galapagos giant tortoise, G. elephantopus (Galapagos giant tortoise) (illustration), found on the Galapagos Islands in the Pacific Ocean. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
陸生では最大のリクガメ科Testudinidaeのカメ。四肢の形状や頸部の皮膚のようすがゾウに似るためゾウガメと呼ばれる。現生種には,インド洋上のセーシェル諸島,アルダブラ諸島に分布するアルダブラゾウガメGeochelone gigantea(英名Aldabra giant tortoise)(イラスト)と,太平洋上のガラパゴス諸島に分布するガラパゴスゾウガメG.elephantopus(英名Galapagos giant tortoise)(イラスト)の2種が知られている。
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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