词根词缀：sauro-, saur-, -saurus, -saurid, -saur,-sauria, -saurian

【来源及含义】Greek: lizard, reptile, serpent; used especially with reference to "dinosaurs"

【相关词根词缀】 A cross reference of other word family units that are related directly, or indirectly, with: "snakes or other reptiles": angui-; coluber-; herpeto-; ophio-; reptil-.

【同源单词】Aachenosaurus, Abelisaurus, Abrictosaurus, Achelousaurus, Acompsosaurus, Acrocanthosaurus

词根词缀：tyl-, tylo-

【来源及含义】Greek: a knob; callus, callous, callosity

【同源单词】tyloma, tylopod, tylopod, Tylopoda, tylopodous, Tylosaurus