die - Slow - co - Sore - us
"Hard to Place Lizard"
55 feet (17 m)
tons (5,400 kilos)
Jurassic & Cretaceous: 150-70 MYA
Fossil remains for this Dinosaur have been found in Western United States
This dinosaur is
a good example of
why it pays to take
already mounted in a
museum. No one seems
to know exactly
where it came from!
It was a medium
plant-eater, but it
can be anywhere from
70 million to 150
million years old.
The Dyslocosaurus fossils were located in
a confusing rock formation in Wyoming, and
may date from any time between 150 and 70
million years ago. This is why it was given
the name "Hard to place lizard." The remains
were from one animal, consisting of parts of
the hind limbs. Like
Camarasaurus it had four distinct
foot claws, rare among sauropods. The exact
location of where it was collected remains a
mystery, hence the confusion about its age.
If it were indeed a late Cretaceous
dinosaur, it would be a rare find.
It is likely that Dyslocosaurus was a
typical Diplodocid, about 55 feet long, with
a long neck, long whip-like tail, and a
massive body with four thick legs.