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Age of the Dinosaurs
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Clues in this puzzle
Across
- Social gathering of grazing hadrosaurs (4)
- Dawn period when early proto-dinosaurs first emerged (8)
- Metallic element or mineral that can stain weathered petrified remains (6)
- Upright dorsal armor running along an armored spine (5)
- Bird-hipped dinosaur clade featuring ceratopsians and duckbills (12)
- Scientific study of prehistoric life through the fossil record (12)
- Skeletal component often found mineralized in rock (4)
- Lizard-hipped dinosaur clade containing theropods and sauropods (10)
- Broad amniote class traditionally encompassing prehistoric dinosaurs (7)
- Cranial ornament seen on Parasaurolophus (5)
Down
- Colloquial tag for an agile, dromaeosaurid predator (6)
- Curved cage bone shielding prehistoric internal organs (3)
- Final era of the giants that ended with a massive impact (10)
- Curved raptor weapon used for slashing prey (4)
- Study of rock layers used to date ancient geological beds (12)
- Excavate ancient strata using trowels and brushes (3)
- Meat-eating beast equipped with sharp serrated teeth (9)
- Mesozoic span or chronological dating value (3)
- Horny mouth structure seen on ceratopsians and birds (4)
- Defensive thagomizer element on a Stegosaurus tail (5)
- Bony protective outer plates of an ankylosaur (5)
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