Ankylosaurids

Many ankylosaurids had spines on their sides as well as bony body scutes (plates). Their most notable feature was a heavy tail club, which they used as a formidable weapon

Horny Bony

skull

The triangular skull of Ankylosaurus was covered with bony plates. It ended at a horny beak, which it used to crop vegetation.

Euoplocephalus Euplocephalus' head was armored with bony slabs. Its eyelids were bony too, protecting the vulnerable eyes. The stout body and tail club were typical of ankylosaurids.

Tail club

The bony plates were good protection, but the tail club was an extremely effective weapon. A fearsome tyrannosaurid could be crippled with a well-directed blow to the ankle or shin.

Tyrannosaurus receives a crippling blow

Ankylosaur lashes out at the knee

Tyrannosaurus receives a crippling blow

Ankylosaur lashes out at the knee

Tail club The tail club was formed by bony plates that were fused together. Powerful tail muscles were used to swing the club. These muscles were anchored by tail vertebrae stiffened by bony tendons.

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