Page 75 - The Dinosaur Book and Other Wonders of the Prehistoric World (DK-Smithsonian)
P. 75
STRIDE LENGTH
L
If we know how long a
dinosaur’s legs were, the Walking R
length of its stride indicated L
by a line of footprints can 3
show how fast it was moving. Running Stride length 8 ⁄4 ft
It may also show it speeding L R L (2.7 m)
1
up or slowing down. Stride length 18 ⁄2 ft (5.7 m)
Titanosaur Footprints and trackways
Apatosaurus Coelophysis Three-toed Acrocanthosaurus
footprints are typical
of theropod hunters.
a change of speed. Small and large footprints story, since it seems to show a big sauropod
found together might have been left by a being stalked by a hunter—possibly the
family, while a complex pattern of overlapping powerful theropod Acrocanthosaurus.
footprints could be evidence of a whole At one point, the footprints converge, perhaps
herd on the move. One 113-million-year-old revealing the exact spot where the predator
trackway in Texas can even be read like a made its attack. 73
US_072-073_Footprints_and_trackways.indd 73 10/04/18 3:33 PM
