Undiscovered Ancestor

1
Sauropods
Prosauropods
Undiscovered Ancestor

2
Spatulate Teeth
Claw on Digit 1
Saurischian pelvis
Long Neck
Long Tail
Massive Hind Limbs
50 cm
Plateosaurus - Prosauropod
3
Nasal opening
Nasal opening
Orbit
Orbit
Nasal opening
Nasal opening
Diplodocus

Camarasaurus
4

Camarasaurus - 18 m
5



Diplodocus - 27 m
6
65 my
Dinosaur extinction
Sauropods Reappear
70 my
Late Cretaceous
Sauropod Hiatus
100 my
Sauropods Disappear
Early Cretaceous
The Sauropod Hiatus
7
Horse
Diplodocus
Camarasaurus