...Turtles with hinged plastrons include the North American box turtle Terrapene and the South Asian box turtle Cuora , as well as the Yaeyama box turtle C. flavomarginata . The African box turtle Kinixys has a hinged plastron at one point near the rear of the carapace, which bends to cover the gap at the rear of the carapace. The front gap is closed by stiff forelimbs, but all land turtles close the gap in the carapace with columnar limbs covered with dermal osteons. *Some of the terminology that mentions "Kinixys" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…腹甲がちょうつがい状になっているものには北アメリカ産ハコガメ類Terrapeneや南アジア産アジアハコガメ類Cuoraがあり,八重山産セマルハコガメC.flavomarginataもその一種である。アフリカ産セオリガメ類Kinixysは腹甲ではなく背甲の後部寄りの1ヵ所がちょうつがい状となり,折れ曲がって甲の後方の隙間にふたをする。そして前方の隙間は堅い前肢でふさぐが,リクガメ類のすべては甲の隙間を皮骨板で覆われた柱状の四肢でふさぐ。… ※「Kinixys」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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