Modifiers matching dinosaur:

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

Simple categories matching prehistoric:

• tool,
• animal,
• mammal,
• dinosaur,
• organism,
• artifact,
• survivor,
• site,
• material,
• beast,
• reptile,
• monument,
• item,
• creature,
• relic,
• artefact,
• giant,
• critter,