quetzalcoatlus/kɛtsəlkoʊˈætləs/EtymologyFrom the genus name Quetzalcoatlus, based on Classical Nahuatl Quetzalcōātl.quetzalcoatlus means A large toothless pterosaur of the genus Quetzalcoatlus. Lexicurio rates it Sui generis — a strength score of 88 out of 100.nounA large toothless pterosaur of the genus Quetzalcoatlus.