Lecture 33: Reptilia Flashcards
1
Q
Parareptiles?
A
Group of anapsid reptiles that dont have much left
Large herbivores
2
Q
Ichythosaurs?
A
Reptillian dolphins
short necks and fish like tails
3
Q
Plesiosaurs
A
Small heads, long necks, slender tail
4
Q
Archosaurs?
A
Pterosaurs
crocodiles and birds only living members
Rep one of the 3 origins of flapping flight
5
Q
Pterosaur?
A
First tetrapod capable of flight
6
Q
Dinosaurs?
A
Largest animals to ever inhabit land?
Two groups
7
Q
Ornithischians?
A
Herbivores
Defense
8
Q
Saurischians
A
Carnivore and herbivore
Might have been endotherms
9
Q
Saurischian theropods?
A
Large preds
Small fast like velociraptor
Ancestors of birds (endotherms) 4 chambered heart
10
Q
Similairites between theropods and birds
A
Feathers Scales (homologous with feathers) Hollow thin walled bones Similar resp systems Musculature, brain, heart and other organs similar Nests and incubate eggs