SAUROPODOMORPHS

Question 1

characteristics of all Sauropordomorphs (5)

Answer 1

small head

spatulate (spoon shaped) peg like teeth

10+ cervical vertebrae

short feet with long claws on first digit

both bipedal and quadrapedal forms

Question 2

split into two main clades

Answer 2

prosauropods and sauropods

Question 3

Prosauropods

Answer 3

Late Triassic -> early Jurassic, all except Austrailia

smaller, slender
facultatively bipedal

ep plateosaurus

Question 4

Sauropod characteristics (4)

Answer 4

gigantic size

long neck and tail

tiny heads

dorsally located nostrils

Question 5

Diplodocus

Answer 5

long, slender skull

slender, peg like teeth

eg Apatosaurus aka Brontosaurus

Question 6

Camarasaurus

Answer 6

blunt faced

spoon spatulate teeth

Question 7

Brachiosaurus

Answer 7

longer forelimbs than hindlimbs

shorter tail than neck

Question 8

last sauropod in North America

Answer 8

Alamosaurus

Question 9

2 explanations of sauropod MIA period

Answer 9

1. there but no fossils found

2. went extinct in NA in 100Ma, more evolved after migrating from SA