Modifiers matching dinosaur:

• carnivorous,
• extinct,
• prehistoric,
• quadrupedal,
• large,
• herbivorous,
• flying,
• bipedal,
• small,
• necked,
• cretaceous,
• aquatic,
• armored,
• new,
• jurassic,
• huge,
• horned,

Simple categories matching bipedal:

• carnosaur,
• predator,
• mammal,
• being,
• dinosaur,
• animal,
• creature,