Paleontologist
A scientist who studies fossils “ancient organisms”
Paleobiology
The study of ancient life
First writings from where
China
England
end of theropod dino bone – thought to be a scrotum but what was actually a thigh bone- found where?
mosasaurs
extinction character- not a dinosaur but a sea monster – 1770
Megalosaurus
William Buckland first dino name- “big reptile”
Iguanodon
Mantel- first plant eating dino
Dinosauria
Richard Owen- named the dinosaurs – fearfully great reptiles
dinos
crocodiles are related to
3 main features of dinosaurs
three or more sacral vertebrae, hand with three main fingers, perforate acetabulae
hip structure
what is used to tell dinos apart?
Deinonychus
dinosaur renaissance
Robert Bakker
coined dino renaissance and more like living birds and mammals
238-65.5 million years ago
when did the dinosaurs live?
volcanic ashes
aged by uranium led dating
climate
no icy cold, shallow seas
plate tectonics
were all adjoined into one super continent called Pangea – the continental movements are driven by volcanic seafloor spreading in the oceans
Terrestrial
all dinos were what?
crocodiles
lived with dinos- 3,700 lbs world record bite force
deinosuchus
terror crocodile
ichthyosaurs
sea monster – swam and looked like dolphins
plesiosaurs
loch ness monster
mammals
appeared at the same time as the dinosaurs
fossil
remains from ancient life
trace fossils
most important – include tracks, eggs, skin impressions, stomach stones, bite marks, and fossilized feces known as coprolites
sedimentary rocks
where we find our dinosars
NO
can we just dig up dinos
badlands
best place to look for fossils
Columbus Georgia
closest fossils found where?
nope
dinosaurs in Florida?
Ornithischian
bird hipped, a beak to crop plants, and a nutcracker jaw-joint
really small
225 years ago the first dinosaurs were what?
Thyreophora
shield barrier – armored dinosaurs
osteoderms
bone skin
stegosaurus
endocasts – how we know the brain size of the stegosaurus
no clear use
use for stegosaurus plates?
biology
paleontologists study only geology.. not..
Cerapodans
a gap between the front and back teeth
Heterodontasuar
teeth like a mammal plant eater
sex
we do not know the ____ of any dinosaur
sexual dimorphism
size differences between the sexes
one
how many dinosaurs do we know the color of
trees
No evidence of dinosaurs ever being up in ___
iguanodons
thumb spikers
hadrosaurs
Duck-billed dinosaurs – teeth self sharpening
duck billed
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
Protoceratops
nearby found dinosaur nests, including entire unhatched clutches of eggs.
Oviraptor
Which dinosaur was originally found in what was thought to be Proceratop nests, but ended up being the parent of the eggs?
Pachyrhinosaurus
had an enormous boss (bulge of bone); for display vs pushing matches
Saurischian
The lizard-hipped dinosaur, long neck
Sauropods
nostrils on top of head
supersaurus
is believed to be the longest dinosaur. 140 ft
Apatosaurus and brontosaurus
same dinosaur – found in different places -example of over splitting
over splitting
dinosaurs given two different names
Sauroposeidian
tallest dinosaur 56 ft
cetosaur
trunked dinosaur
theropoda
meat eaters, thin hollow bones
Ceratosaurus
venom groove
Coelophisis
an early type of theropod dinosaur, Eat crocodiles
spinosaurs
blown up in ww2
Deinonychosaurus
killer foot
troodontids
the biggest brain – bird sized brain
EQ
brain size
dinosauriod
weird looking alien dude from the future
t-rex
didn’t drag tail, huge sense of smell, could only amble – no run, cannibal, acted as a predator and a scavenger
marsupials
dinos grow fast like…
killed the dinosaurs
asteroid, lowering of sea levels, or a volcano
archaeopteryx
An intermediate fossil that shows both reptile and bird characteristics.
theropods
birds are…
4
how many wings did birds have back then?
7 oz
how small was the smallest dinosaur?
