Modifiers matching dinosaur:

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

Simple categories matching quadrupedal:

• dinosaur,