Extinct Animals by Period

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Can you name the Extinct Animals by Period?

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

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Created Nov 11, 2011ReportNominate
Tags:biology, dinosaur