Modifiers matching dinosaur:

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

Simple categories matching bipedal:

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