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Probably requires more than a passing interest in palaeontology.
Each animal group is – more or less accurately – in a descending order according to how long ago they lived (older ones come earlier).
Last updated: November 11, 2014
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November 11, 2014
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Try to guess the extinct animals from the clues provided.
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Synapsids and mammals
Famous sail-backed synapsid from the Permian.
The largest known gorgonopsid.
This suborder of therapsids gave rise to mammals.
This smallish therapsid was the dominant land animal in the early Triassic.
Order of rodent-like mammals that thrived from Jurassic to Oligocene.
Hoofed Eocene predator; one of the largest carnivorous land mammals ever.
Ancient predatory whale initially believed to have been a sea serpent.
The largest land mammal of all time.
Monstrous pig-like creatures; have been called "hell pigs".
Miocene sperm whale relative; owner of largest teeth ever.
Huge proboscidean with downward-curving tusks on the lower jaw.
The largest ape of all time.
The human species that first learned to control fire.
Recently discovered hominin that interbred with us and Neanderthals.
Large armored mammal from pleistocene South America.
The largest saber-toothed cat of all time.
The largest bear of all time.
Powerful canid that lived in the Americas until about 10000 years ago.
Huge sirenian hunted to extinction by Europeans.
Steller's sea cow
Large carnivorous marsupial that probably died out in the 20th century.
Dinosaurs and birds
The earliest known dinosaur.
Supposed largest dinosaur of all time; known only from a single bone.
The "Velociraptors" of Jurassic Park were modeled after this dinosaur.
The largest carnivorous dinosaur of all time.
Penguin-like aquatic toothed bird of the Cretaceous.
This theropod dinosaur had the longest claws of any animal ever.
The Torosaurus might simply be a mature form of this well-known dinosaur.
Small theropod known for its large brain; binocular vision and nimble fingers.
Group of carnivorous flightless bird of South America.
Group of extremely large seabirds with tooth-like points in their beaks.
Giant raptor relative; possibly the largest flying bird ever.
The largest eagle of all time.
The tallest bird of all time.
Once the most abundant bird in the world, it died out in 1914.
Mesozoic marine reptiles with dolphin-like shapes.
Mesozoic marine reptiles known for their very long necks.
The former's short-necked relatives; powerful apex predators.
Giant crocodilian from the early Cretaceous; possibly the largest ever.
A prime rival in size to the former, this time from the late Cretaceous.
Dominant late Cretaceous marine reptiles.
The largest turtle of all time.
The largest pterosaur of all time.
The largest snake of all time.
The largest terrestrial lizard of all time.
This Pinta Island tortoise was for years the "rarest creature in the world".
Fish and amphibians
Class of armored fish from the Paleozoic.
The largest of that group; a powerful apex predator.
A famous Devonian fish with many tetrapod features.
Group of amphibians named after their peculiar tooth structure.
The largest bony fish of all time.
The largest cartilaginous fish of all time.
Cambrian creature of unclear morphology; named for its dreamlike looks.
Predatory arthropod relative; possibly the largest creature of the Cambrian.
Diverse group of marine arthropods known throughout the Paleozoic.
Cephalopods with long, straight shells; abundant in the Paleozoic.
Order of Paleozoic aquatic arthropods; some grew to gigantic sizes.
Shelled cephalopods extremely common in the Mesozoic.
The largest land invertebrate of all time.
Carboniferous dragonfly relative with a huge wingspan.
This locust formed the largest swarms known; died out in early 20th century.
Rocky Mountain locust
Mar 17, 2016
Love it. Perhaps you like the "Walking With" series as well? ^_^
Mar 25, 2016
loved it until "walking with cavemen", which was a joke.
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