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| scrotum humananum. thought to megalasaurus femur |
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| triassic, jurassic, cretaceous |
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| potassium 40 which breaks into argon 40 |
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| temperate, tropical, des, tropical, temperate |
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| terror crocodile, showed body armor, rapid growth, giant croc |
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| like the lochness monster |
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| not a dino, seagoing relative of todays monitor lizards. cuvier thought it was nuts to think that animals like this lived today. |
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| didnt believe mososaurus was similar to lizard today, thought they were deep in the rock quarry . BECAUSE OF HIM, PEOPLE BEGAN THINKING SERIOUSLY ABOUT DINOS. extinction. used mososaurs to support his theory |
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| eggs, poop, tracks, stomach remains ext. how we get the most info on dinos |
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| igneous rocks vs metamorphic rocks |
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igneous: volcanic ash made rocks
metamorphic rocks: volcanic or other ash made rocks that have eeb deformed by earth's pressure |
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Definition
'fearfully great reptiles)
GIANT
UPRIGHT SCALES
NON-AQUATIC
2+ SACRAL BACKBONES FUSED AT HIP
owen |
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Definition
| hard matieral in dino bones |
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| crocodillians and prteosaurs |
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Definition
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Term
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Definition
extinct dinosaur-like reptiles, also called dinosauromorphs.
s shaped necks
short forearms |
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Definition
| teeth in sockets, erect posture, hinge-like ankles, s shaped necks, short forearms |
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| pterosaurs and lagosuchids |
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Definition
in group archosauromorphs
closest relatives of dinos.
erect posture
hinge like ankles |
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| shield bearers. divided into anklosaurs (tanks) and stegosaurus (plated) |
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Definition
| bones in skin similar to gators |
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| most advanced of thyreophorans |
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| dinosaurs are unique from lizards because |
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Definition
3+ sacral vertebrate
hands with three fingers
perforate acetabule.. hole where thighbone attached goes through hip |
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Definition
| brain size found from from sediments that filled brain cavity |
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| tracks found by school boy. ostrich like birds. |
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| fused lizards, dino tanks |
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| first chewers, thought it perched like a bird |
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| part of theropoda. teeth gap. 4 fingers. cannabals |
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Term
| ornithischian vs saurischian hip |
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Definition
2 types of dinos
ornithischian: shaped like birds (iguanodaun)
saurischian: shaped like lizards |
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Definition
duck billed, we know the most about them because they traveled in herds.
theories of snorkles, air, airlocks to keep water out |
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| naming 1 species by 2 different names by accident |
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| flattened by volcanic ash |
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named first dino. took ostroms ideas and pushed them. said dinos were like birds. was right about many things. dino renissance. said some dinos too big to lay eggs and must give live birth.
all dinos |
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Definition
picture in book, said lived on land, gave name dinosauria
giant, upright, nonaquatic, 2+ sacral vertebrate |
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Definition
pachycepalosauria (bone heads)
ceratopsia (horned) |
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| one of marginocephalia, tickened skulls with knobby protuberances |
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centrosaurus (big nose and small horn)
chasmosaurs (big horns over eyes and small nose horns) |
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| from saurrischia. largest dinos, nose on top of head |
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| one of the largest, in saurischia |
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| 190 ft long, part of saurischia |
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| tallest and possibly heaviest, part of saurischia |
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| hollow caves that lighten bones |
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| fued tails. carnosauria (giant) coelurosauria (bit smaller) |
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| found megalosaurus (first bone) found first dino |
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| dino scissor hands. only herbovorious theropods |
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| strange skulls, egg stealers |
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| measure of brain relative to body size |
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| raptors, packs. changed they way people saw dinos as slow moving |
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| great sense of smell because of bulbs 10k-20 lbs, stereoscopic vison )binocular vision with good depth of field differeniation) had seraded teeth, self sharpening, herds |
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| 3 fingers, perforate acetabulae, 3+ sacral vertebrate |
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| uses computer to test headbutting |
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| bump or horn on head, unknown |
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| tooth replace themselves, ceratopsaurus, hadrosaurus |
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