Extinct Animals by Period

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Can you name the Extinct Animals by Period?

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Genus of AnimalPeriodPaleo-Hint
MarrellaWalcott's first find in his British Columbia quarry
ShonisaurusOne of the largest, and earliest, ichthyosaurs known
PareiasaurusA genus that named a group, these multi-ton herbivores roamed the world for a brief time at the end of an era
GracileLucy in the Sky With Diamonds!
Gastornis (formerly Diatryma)One of the last great dinosaurian predators, this bird likely hunted mammals as they diversified early in their reign
CretoxyrhinaThis large shark is known from fossils from the Western Interior Sea
VaranopsThis was an early synapsid, or 'mammal-like reptile'
TylosaurusThe largest mosasaur known
PriscacaraA perch known well from Lakes Gosiute, Uinta, and Fossil
SpinosaurusThe star of Jurassic Park III, this animal was probably more at home catching fish than chasing paleontologists
DickinsoniaAn extremely odd creature from the hills of South Australia
QuetzalcoatlusArguably the largest pterosaur ever. Don't call it 'Quetz.'
Velociraptor'Clever girl...'
EryopsThis massive tetrapod is known from the Texas Red Beds
LystrosaurusThis odd 'reptile' survived the greatest extinction in the history of life on Earth
DunkleosteusA placoderm the size of an orca whale
Genus of AnimalPeriodPaleo-Hint
DiornisThe largest of the Moa of New Zealand
OpabiniaAn extremely 'Weird Wonder' of the Burgess Shale
DilophosaurusThis large (for its time) predator probably did not spit venom or feed on computer programmers
MeganeuraA dragonfly with a meter wingspan
AnomalocarisAt almost one meter, one of the world's first 'super-predators'
Varanus priscus (formerly Megalania)Not counting mosasaurs and snakes, the largest lizard known
IchthyostegaAn early tetrapod
TiktaalikCo-discovered by Niel Shubin, this is one of the earliest known tetrapods
PikaiaOne of the earliest chordates
TyrannosaurusIt can see you, even if you don't move, so run. Crichton Corrected his error in The Lost World. Read it.
GorgonopsThis synapsid gave Nick Cutter and the rest some trouble
RhamphorhynchusThis long-tailed pterosaur probably caught fish over tropical Europe
SmilodonThe much-loved 'sabre-toothed tiger'
ArthropleuraA three-meter basal uniramian, this was probably the largest terrestrial arthropod of all time
KnightiaThe most common fish in the Green River Formation
EuparkariaRelated to dinosaurs (including birds), pterosaurs, and crocodiles, this genus was one of the earliest Archosaurs

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