A scientist who studies fossils “ancient organisms”
The study of ancient life
First writings from where
end of theropod dino bone – thought to be a scrotum but what was actually a thigh bone- found where?
extinction character- not a dinosaur but a sea monster – 1770
William Buckland first dino name- “big reptile”
Mantel- first plant eating dino
Richard Owen- named the dinosaurs – fearfully great reptiles
crocodiles are related to
3 main features of dinosaurs
three or more sacral vertebrae, hand with three main fingers, perforate acetabulae
what is used to tell dinos apart?
coined dino renaissance and more like living birds and mammals
238-65.5 million years ago
when did the dinosaurs live?
aged by uranium led dating
no icy cold, shallow seas
were all adjoined into one super continent called Pangea – the continental movements are driven by volcanic seafloor spreading in the oceans
all dinos were what?
lived with dinos- 3,700 lbs world record bite force
sea monster – swam and looked like dolphins
loch ness monster
appeared at the same time as the dinosaurs
remains from ancient life
most important – include tracks, eggs, skin impressions, stomach stones, bite marks, and fossilized feces known as coprolites
where we find our dinosars
can we just dig up dinos
best place to look for fossils
closest fossils found where?
dinosaurs in Florida?
bird hipped, a beak to crop plants, and a nutcracker jaw-joint
225 years ago the first dinosaurs were what?
shield barrier – armored dinosaurs
endocasts – how we know the brain size of the stegosaurus
no clear use
use for stegosaurus plates?
paleontologists study only geology.. not..
a gap between the front and back teeth
teeth like a mammal plant eater
we do not know the ____ of any dinosaur
size differences between the sexes
how many dinosaurs do we know the color of
No evidence of dinosaurs ever being up in ___
Duck-billed dinosaurs – teeth self sharpening
Herd died all at once, Nesting grounds, Mummy’s, Tracks, who ate them, Coprolite- dino poo
two types of duckbilled
low skulled hadrosaurines, crested lambeosaurines
flank butting or head butting
theories about bone head – smashing heads
finite element modeling
computer-modeling the biomechanical performance of the domes
nearby found dinosaur nests, including entire unhatched clutches of eggs.
Which dinosaur was originally found in what was thought to be Proceratop nests, but ended up being the parent of the eggs?
had an enormous boss (bulge of bone); for display vs pushing matches
The lizard-hipped dinosaur, long neck
nostrils on top of head
is believed to be the longest dinosaur. 140 ft
Apatosaurus and brontosaurus
same dinosaur – found in different places -example of over splitting
dinosaurs given two different names
tallest dinosaur 56 ft
meat eaters, thin hollow bones
an early type of theropod dinosaur, Eat crocodiles
blown up in ww2
the biggest brain – bird sized brain
weird looking alien dude from the future
didn’t drag tail, huge sense of smell, could only amble – no run, cannibal, acted as a predator and a scavenger
dinos grow fast like…
killed the dinosaurs
asteroid, lowering of sea levels, or a volcano
An intermediate fossil that shows both reptile and bird characteristics.
how many wings did birds have back then?
how small was the smallest dinosaur?