the go over Flashcards
what type of dinosaur was Camarasaurus
macronarian sauropod from the jurassic
what type of dinosaur was Compsognathus
a coelurosaurian theropod. tiny lil dude from the jurassic
what was Giganotosaurus
one of the carcharodontosaurs that was hunting Titanosaurs in gondwana
what was Carnotaurus
ceratosauroid abelisaur in the jurassic. prolific, albeit smaller than carcharodontosaurs
what was Lythronax
another species of tyrannosaur that evolved way earlier than Tyrannosaurus - convergent evo
what are the names for the ankle parts whose differences give way to the differentiation of pseudosuchians and avemetatarsalians
the astralagus and the calcaneum
match the following genus to their respective classification
- desmatosuchus
- poposaurus
- smilosuchus
desmatosuchus: aetosaur
poposaurus: poposaur
smilosuchus: phytosaur
what was silesaurus?
dinosauromorph
near the end of the triassic, what were the dominant carnivores and herbivores
carnivore: Coelophysis, a theropod
herbivore: Plateosaurus, a prosauropod
what is ‘the fern spike?’
a tendency for ferns to become really prolific following disasters (first to repopulate the environment)
list the dinos of the early triassic
ornith: pisanosaurus
theropods: eoraptor, herrerasaurus
sauropodomorphs: panphagia
what separates the basal ceratopsians from the newer ceratopsians?
ceratopsian syncervical, which are fused vertebrae in the beck
what is a synapomorphy of ceratopsians, separating them from protoceratopsids?
nasal horn + frill
when do the morrison formation and solnhofen formations date back to?
jurassic
characterize the climates of the permian, triassic, jurassic, and cretaceous
permian: dry
triassic: dry
jurassic: warm + less dry
cretaceous: warm, stable climate (low seasonality due to high sea levels)