Testudines
/teˈstjuːdɪniːz/- Zoology an order of reptiles which comprises the turtles, terrapins, and tortoises. They are distinguished by having a shell of bony plates covered with horny scales, and many kinds are aquatic.【动】龟鳖目。亦称CHELONIA.
词源
modern Latin (plural)， based on Latin testa 'shell'.