Page 187 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

The colossal nose horn of
Elasmotherium was made
of keratin, like human fingernails.
Synthetoceras

This antelope- Elasmotherium
like animal had
a Y-shaped horn
on its nose, as
well as two horns
above its eyes.

The antlers were
made of bone
and were covered
with velvety skin
when they
were growing.
The name
Megaloceros
means “great
horn.” The bony horns—each up
to 3 ft (1 m) long—would have
been extended by sheaths
of tough keratin.

One of the largest wild
cattle that ever existed,
Pelorovis lived in Africa until
about 12,000 years ago.

Pelorovis

Uintatherium
The skull of a male
Uintatherium bore
six big, bony knobs.

the animals with the most impressive headgear deer Megaloceros. They were antlers—horns
were more likely to breed, the horns got bigger that are shed and regrown each year. These
over time, resulting in huge structures like the antlers could span 12 ft (3.6 m). Only males had
paired bony horns of Arsinoitherium and the them, and they were used to impress and, if
massive single horn of Elasmotherium. But necessary, fight rival males trespassing on their
the biggest horns of all belonged to the giant breeding territory. 185

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