scuteyoudaoicibaDictYouDict[scute 词源字典]
"A thickened horny or bony plate on a turtle’s shell or on the back of a crocodile, stegosaurus, etc", Middle English (denoting a coin): from Latin scutum.[scute etymology, scute origin, 英语词源]
ankylosauryoudaoicibaDictYouDict
"A heavily built quadrupedal herbivorous dinosaur of the Cretaceous period, armoured with bony plates", Early 20th century: from modern Latin Ankylosaurus, from Greek ankulos (see ankylosis) + sauros 'lizard'.
TestudinesyoudaoicibaDictYouDict
"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", Modern Latin (plural), based on Latin testa 'shell'.