Dino

17 cards·by smireles

Mantells

Physician, published monograph of dino discoveries in 1822, named Iguandon (an ornithopod)

William Buckland (1784-1856)

oxford university named dinosaur: Megalosaurus(theropod, thought it was a lizard) coined paleontollogy

Sir Richard Owen

head of british museum, coined the term dinosauria, believed in evollution, thought dino's to be endothermic

Cope and Marsh

Copes rule:lineages tend to evolve larger average body sizes over time named more than 1000 vertebrate species, marsh named 26 genera of din

John Ostrom

1969, solidified dinosaur ancestry of birds

Jack Horner

wrote digging dino's, dino mamas

bob bakker

wrote the dino heresies

Precambrian

4600mya, cambrian explosion happened at the end, oldest life and rocks

Mesozoic

65-245mya, includes triassic, cretaceous, jurrasic, terrestrial diapsids lived in this era

Cenozoic

0-65 mya beginning of this was K/t extinction (65mya)period: palogene and neogene and tertiary

Triassic

Beginning of triassic was pt extinction (245mya)

cretaceous

65-150 mya

pangea

late permian(255mya) splitting of world land to differnt continents

Laurasia

certopsians are only found in Laurasia

Gondwana

lower continents during the beginning, triassic 200mya

stromatolites

• a calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks- earlliest fossils

Pikaia

gracilens is an extinct vertebra animal known from the middle cambrian burgess shale