Modifiers matching dinosaur:

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

Simple categories matching quadrupedal:

• dinosaur,