Page 67 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Brontomerus was a Hundreds of teeth lined
macronarian—a type of the front of the distinctive Nigersaurus
sauropod with a very big shovel-shaped snout.
nose compared to its skull.
The immensely long neck
spines were probably for
display to rivals and Giraffatitan
breeding partners.
Nigersaurus usually Sauropods
held its neck high but
could lower it to feed
Amargasaurus
on small plants.

Giraffatitan
was twice
Spinophorosaurus
as tall as
a modern
giraffe.

This sauropod had a
spiked club at the end of its The forelimbs of
tail, possibly for defense Giraffatitan were
or fights with rivals. unusually long, giving
it a very high reach.

Apatosaurus had a
very long, almost
whiplike tail.

The massive feet
had to support a lot of
body weight, equivalent Amargasaurus Sauroposeidon
to four elephants.

like Sauroposeidon and Giraffatitan, had long They swallowed the leaves and relied on their
arms that helped raise their shoulders much huge digestive systems to process them. A few
higher than their hips, allowing them to reach the sauropods like Nigersaurus had more complex
tallest trees without rearing up. The simple teeth teeth at the front of their wide snouts. These teeth
of typical sauropods were adapted for biting or may have been specialized for eating plants
ripping leaves from trees, but not for chewing. growing at ground level. 65

US_064-065_Sauropods.indd 65 10/04/18 3:33 PM