terrible dino. Name: Deinonychus‭ (‬Terrible claw‭)‬. Phonetic: Die-non-e-cus. Named By: Ostrom‭ ‬-‭ ‬1969. Classification: Chordata,‭ ‬Reptilia,‭ ‬Dinosauria,‭ terrible dino Name: Deinonychus‭ (‬Terrible claw‭)‬ Phonetic: Die-non-e-cus Named By: Ostrom‭ ‬-‭ ‬1969 Classification: Chordata ‭ ‬Reptilia ‬Dinosauria