the bullshit Flashcards
what were the smallest dinosaurs
fruitadens and microraptors
<1m long and weighed <1kg
about what size was velociraptor?
dog/turkey
what was a key trait of ornithiscians aside from the pubis?
predentary bone on the lower jaw
what direction did the pubis of diplodocus face?
forwards - was a saurischian sauropod
were all theropods carnivorous?
most were, but not all
what does ‘mummification’ mean for fossils? what was the first mummy found, when, and where?
mummy means covered in skin
first found was a hadrosaur in wyoming in 1910, revealing that they had different shaped/sized scales on different regions of the body
what dino provided a breakthrough for understanding integuments?
sinosauropteryx, found to be covered in feathers, preserved by the fine ash of a volcano
the largest known feathered dino?
yutyrannus
what the fuck was wrong with psittacosaurus
had weird as fuck bristle-like structures on its tail
what colours were microraptor and anchiornis
had glossy black and red feathers, resp
what is important about scipionyx
soft tissue was preserved by minerals (trachea, throat, and intestines)
are all aeolian environments bad for fossilization?
no!
mongolia sand dunes
about how often did trex shed their teeth?
every 1.5-2 years
what are spinosaurs thought to eat (2 pieces of evidence)
thought to be piscivores, having long conical teeth w no serrations
cololites from baryonyx further supports this idea
what did the cololites of sinocalliopteryx show?
it ate small dromaeosaurs and birds
