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Jurassic & Cretaceous

Across
66 million years ago
Platypus and echidnas
"Terrible lizard"
Bird-hipped dino
Bird-like dino
How many million years ago marks the boundary of the Jurassic and the Cretaceous (4 words)?
The white in the White Cliffs of Dover
High levels of _______ point to an impact as the cause of the K-P Extinction
Big teeth, short arms, common in the Cretaceous
Lizard-hipped dino
Down
Unicellular gold-brown algae who first appear in Jurassic and comprise the majority of Cretaceous chalk deposits
Flood basalts in India point to the ______ Traps for the K-P Extinction
Major long term transgression during Jurassic and Cretaceous
How many million years ago marks the boundary of the Jurassic and the Triassic (3 words)?
Pouch mammals
Flowering plants that appear in the early Cretaceous
Means "chalky"
_________ Rockies
A bird-hipped dino with a well-armored head
Crater from bolide impact linked to K-P Extinction event