Dinosaurs 1 Flashcards
1
Q
What are spinosaurids?
A
Largest land predators.
2
Q
Describe tetanurans.
A
- ‘Stiff tail’
- Carnosaurs & coelurosaurs
- Large
- Carnivorous
- Long thigh bones.
3
Q
Describe Tyrannosaurids.
A
- 3 foot long arms
- weighed 5-7 tons
- 50 to 60 bone-crunching teeth.
4
Q
Describe Sauropoda.
A
- ‘Lizard footed’
- Herbivores
- Tiny head and brain
- Long neck for grazing
- Tail for counterbalancing the long neck.
5
Q
What are the differences between dinosaurs and birds?
A
Birds have a reversed pubis to dinosaurs.
6
Q
Describe Marginocephlia.
A
- Large quarupeds
- Large crest
- Variable size and horns
- Large beak capable of slicing through tough vegetation.
7
Q
Describe Theropoda.
A
- ‘Beast-footed’
- Carnivorous
- Big sharp teeth
- Short arms with claws for grasping prey
- Hollow bones, vertebrae & limbs
- Tail for counterbalancing neck & head
- Long back legs for speed.
