Modifiers matching dinosaur:

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

Simple categories matching quadrupedal:

• dinosaur,