Modifiers matching dinosaur:

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

Simple categories matching bipedal:

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