Testudo

...There are many large species, especially in the Geochelone genus, which includes the two largest species of land turtles (illustration, illustration), with a carapace length of 1.2 m, the African Spurred Tortoise G. sulcata , the Leopard Tortoise G. pardalis , which has a carapace length of 75 cm, the South American Red-footed Tortoise G. carbonaria , which has a carapace length of 50 cm. On the other hand, there are many small species in the Greek genus Testudo , and the North African Egyptian Tortoise T. kleinmanni has a carapace length of only 12 cm. Land turtles have a dome-shaped, hard carapace, and the limbs that support the heavy carapace are columnar and thick with rounded claws. ...

*Some of the terminology that mentions "Testudo" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…大型種が多く，とくにリクガメ属Geocheloneには，リクガメでは最大のゾウガメ（イラスト，イラスト）2種の甲長1.2mをはじめ，アフリカ産のケヅメリクガメG.sulcataが甲長75cm，ヒョウモンリクガメG.pardalisが65cm，南アメリカ産アカアシリクガメG.carbonariaなどが50cmに達する。他方，ギリシアガメ属Testudoには小型種が多く，北アフリカ産エジプトリクガメT.kleinmanniは甲長12cmに過ぎない。リクガメ類は背甲がドーム状に盛り上がって堅く，重い甲を支える四肢は柱状で太くつめが丸みを帯びる。…

※「Testudo」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