Chapter 6 Dinos Flashcards
Saurischia
What Dino’s do they include
Lizard hopped Dino’s
Largest animals (long necked sauropods)
Theropods (t rex)
Distinguishing feature of saurischians
Pubis points forward
Long neck
Key features of sauropodomorphs
Extremely elongated necks
Enlarged thumb claws
Earliest sauropodomorphs
Prosauropods
Extinction of prosauropods during early Jurassic was
First loss of a major group of dinosaurs
Distinguishing feature of sauropods
Nostrils on top of their heads
Five major groups of sauropods
1st
Diplodocids were some of the longest dinosaurs
Recent find in Colorado of supersaurus consists mainly of, it was a ? How long and big
Scapula (shoulder bone)
Diplodocus
140 ft and 50 tons
Most famous diplodocid
Apatosaurus by marsh in 1877
Brontosaurus marsh in 1879
What head did marsh put with brontosaurus
Who found the actual one and who wouldn’t let him put it on
When was stalemate broken and why
Camarosaurus Holland of Carnegie museum Osborn Holland died All switched heads
Amphicoelias
What is it and what happens
Largest sauropod ever and went missing some think crumbled and sept away by janitors
Brachiosaurus are the
Recently discovered ?
Tallest and heaviest dinosaurs
Sauropseidon 56 feet tall tallest Dino
Tiny 17 foot long brachiosaurus from Europe were claimed
What is this known as
Dwarfs (survive on islands where there wasn’t much forage)
Island dwarfism and common
In mammalian fossil record (mammoths)
One species of sauropods from china has
Tail club
Fifth group of sauropods
One from Argentina had body armor
Titsnosaurs
Reminiscent of ankylosaur osteoderms