1
Q
Marine Reptiles
A
- plesiosaurs
- ichthyosaurs
- first appear in the Triassic Period
2
Q
What does an Ichthyosaur look like?
A
sort of like a dolphin but has a vertical tail fluke
3
Q
Giant Sauropods
A
big ass dinosaur, like HUGE
- may have traveled in herds to protect the young against large predators (they traveled on the inside and the older, bigger ones traveled on the outside)
4
Q
What do fossil trackways tell us about dinosaur social structure?
A
suggests the herd-like behavior among sauropods
- traveling in herds to protect the young against predators
5
Q
What is Allosaurus?
A
- a big carnivorous dinosaur
- main predator during the Jurassic
6
Q
Two major divisions of dinosaurs
A
- based on pubis bone
- Ornithischia: pubis bone rotated backwards (bird hipped)
- saurischia: pointing forward (lizard hipped)
7
Q
Solenhofen Limestone
A
discovery of a “feather bird” in the deposit
8
Q
What morphological features of Archaeopteryx are more bird like?
A
- have a wish bone (Furcula wish bone)
- feathers
- crescent shaped wrist bone
9
Q
Cretaceous Dinosaurs
A
Tyrannosaurus Rex
Velociraptors
Hadrosaurs (duck-billed dinosaurs)
Ceratopsians (horned dinos)
10
Q
Quetzacoatlus
A
Pterosaur (flying reptiles)
- largest animal to have flown
11
Q
Mosasaurs
A
large, carnivorous marine reptile
- main predator of the Cretaceous seas
