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TYPES OF DINOSAURS

THIS PRESENTATION SHOWS HOW DINOSAURS ARE CLASSIFIED.
by

Gale Tuomisto

on 25 May 2010

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Transcript of TYPES OF DINOSAURS

2 TYPES OF DINOSAURS SAURICHIA ORNITHISCHIA REPTILE-HIPPED BIRD-HIPPED SAUROPODS PLANT-EATERS
HUGE, LONG NECKS AND TAILS
LATE TRIASSIC TO CRETACEOUS
LARGEST TO EVER DWELL ON LAND
TINY HEADS
SIMPLE PEG OR PENCIL-SHAPED TEETH
GASTROLITHS(stone or pebble ingested by an animal to grind food and aid in digestion)FOSSILS OF THESE ARE PLENTIFUL THERAPODS MEAT-EATERS
EARLIEST TO EVOLVE,SURVIVED TILL CRETACEOUS
BIZARRE WEIRD DINOSAURS
SOME HAD FEATHERS
BIRDS EVOLVED FROM THIS LINE SAUROPOD EXAMPLES DIPLODOCUS QIAOWANLANG SEISMOSAURUS THERAPOD EXAMPLES VELOCIRAPTOR ACHILLOBATOR TYRANNOSAURUS REX SAURICHIA BROKEN DOWN INTO 2 GROUPS ORNITHISCHIA BROKEN DOWN INTO 4 GROUPS FABROSAURS BIPEDAL
SMALL & SPEEDY
LATE TRIASSIC-->EARLY JURASSIC FABROSAUR EXAMPLES LESOTHOSAURUS FABROSAURUS Tyrannosaurus Rex Edmontosaurus Saurichia Example Ornithischia Example EXAMINE THE EXAMPLES CAREFULLY! ORNITHOPODA DIVERSE, ABUNDANT
STIFF TAILS WITH BONY TENDONS FOR BALANCE
BI OR QUADRIPEDAL
JURASSIC-->CRETACEOUS, BUT MOST ABUNDANT IN MID TO LATE CRETACEOUS
INCLUDES THE DUCK-BILLED HADROSAURS AND IGUANODONS


ORNITHOPODA EXAMPLES HADROSAURUS CHARONOSAURUS IGUANODON THYREOPHORANS QUADRIPEDAL
SHORT LEGS
BONY CLUB TAILS
BONY ARMOUR IN THE FORM OF PLATES, SPIKES, OR EMBEDDED BONE IN SKIN
JURASSIC-->CRETACEOUS

THYREOPHORAN EXAMPLES STEGOSAURUS SAUROPELTA MARGINOCEPHALIANS CRETACEOUS
BONY HOODS
2 GROUPS: PACHYCEPHALOSAURS & CERATOPSIANS
ABUNDANT IN PREHISTORIC US PACHYCEPHALOSAURS BONE-HEAD
BIPEDAL
STEGOSAURUS SPHAEROTHOLUS CERATOPSIANS RHINO-LIKE
QUADRIPEDS
IMMENSE HEADS WITH BONY FRILLS

TRICERATOPS CHASMOSAURUS
Full transcript