Page 100 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)

Ceratopsians Straight horns

sprouted from the
dinosaur’s bony frill.

The neck frill
had a wavy edge.

The distinctive
hooked nose horn
looked like a rhino’s.
Psittacosaurus Triceratops

The enormous
neck frill was
edged with spikes.
Einiosaurus
The long horns
above its eyes
curved forward.

Pentaceratops

The frill was
incredibly long,
covering most
of its back.

There was a small
horn on each cheek.
Small
nose horn Torosaurus

Psittacosaurus

This early Cretaceous
ceratopsian did not have
a frill or elaborate horns.

With their elaborate neck frills, huge horns, from the back of its skull. Pentaceratops was
and parrotlike beaks, the ceratopsians were even more flamboyant, with an enormous,
among the most spectacular dinosaurs. probably brightly colored frill fringed by
The most well-known, Triceratops, was an spikes. It evolved from smaller ancestors such as
elephant-sized animal with three horns up to Psittacosaurus, which was light enough to walk
98 5 ft (1.5 m) long and a big bony frill extending on two legs, but the later giants needed all four

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