Modifiers matching dinosaur:

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

Simple categories matching quadrupedal:

• dinosaur,