来自希腊语 sauros,蜥蜴。衍生词根-saur,恐龙，来自 dinosaur,恐龙。
- saurian (n.)
- reptile of the order Sauria, 1819, from Modern Latin sauria "the order of reptiles," from Greek sauros "lizard" (see -saurus). Sauropod is 1891, from Modern Latin sauropoda (O.C. Marsh, 1884), second element from Greek pous "foot," from PIE root *ped- (1) "a foot" (see foot (n.)).