Statistics for Extinct Animals

Click here to take the quiz!

General Stats
Answer Stats
Score Distribution
Your Score History

General Stats

This quiz has been taken 110 times
The average score is 16 of 60

Answer Stats

Hint	Answer	% Correct
Famous sail-backed synapsid from the Permian.	Dimetrodon	68%
The largest saber-toothed cat of all time.	Smilodon	57%
The tallest bird of all time.	Moa	52%
Large carnivorous marsupial that probably died out in the 20th century.	Thylacine	52%
The largest carnivorous dinosaur of all time.	Spinosaurus	50%
Ancient predatory whale initially believed to have been a sea serpent.	Basilosaurus	42%
Powerful canid that lived in the Americas until about 10000 years ago.	Dire wolf	40%
Mesozoic marine reptiles known for their very long necks.	Plesiosaurs	40%
The Torosaurus might simply be a mature form of this well-known dinosaur.	Triceratops	40%
Mesozoic marine reptiles with dolphin-like shapes.	Ichthyosaurs	38%
The largest snake of all time.	Titanoboa	38%
Hoofed Eocene predator; one of the largest carnivorous land mammals ever.	Andrewsarchus	37%
The "Velociraptors" of Jurassic Park were modeled after this dinosaur.	Deinonychus	37%
The human species that first learned to control fire.	Homo erectus	37%
The largest land mammal of all time.	Paraceratherium	37%
Once the most abundant bird in the world, it died out in 1914.	Passenger pigeon	37%
Huge sirenian hunted to extinction by Europeans.	Steller's sea cow	37%
Small theropod known for its large brain; binocular vision and nimble fingers.	Troodon	37%
Monstrous pig-like creatures; have been called "hell pigs".	Entelodonts	35%
Large armored mammal from pleistocene South America.	Glyptodon	33%
The largest bear of all time.	Short-faced bear	33%
Group of carnivorous flightless bird of South America.	Terror birds	33%
The largest cartilaginous fish of all time.	Megalodon	32%
The largest ape of all time.	Gigantopithecus	30%
Dominant late Cretaceous marine reptiles.	Mosasaurs	30%
The former's short-necked relatives; powerful apex predators.	Pliosaurs	30%
This theropod dinosaur had the longest claws of any animal ever.	Therizinosaurus	30%
Diverse group of marine arthropods known throughout the Paleozoic.	Trilobites	30%
The largest turtle of all time.	Archelon	28%
A prime rival in size to the former, this time from the late Cretaceous.	Deinosuchus	28%
The earliest known dinosaur.	Eoraptor	28%
Giant crocodilian from the early Cretaceous; possibly the largest ever.	Sarcosuchus	28%
The largest of that group; a powerful apex predator.	Dunkleosteus	25%
Giant raptor relative; possibly the largest flying bird ever.	Argentavis	22%
Huge proboscidean with downward-curving tusks on the lower jaw.	Deinotherium	22%
Penguin-like aquatic toothed bird of the Cretaceous.	Hesperornis	22%
This Pinta Island tortoise was for years the "rarest creature in the world".	Lonesome George	22%
The largest pterosaur of all time.	Quetzalcouatlus	22%
Miocene sperm whale relative; owner of largest teeth ever.	Livyatan	20%
The largest terrestrial lizard of all time.	Megalania	20%
The largest eagle of all time.	Haast's Eagle	17%
Shelled cephalopods extremely common in the Mesozoic.	Ammonites	15%
This suborder of therapsids gave rise to mammals.	Cynodontia	12%
Recently discovered hominin that interbred with us and Neanderthals.	Denisovan	12%
The largest known gorgonopsid.	Inostrancevia	12%
This smallish therapsid was the dominant land animal in the early Triassic.	Lystrosaurus	12%
Predatory arthropod relative; possibly the largest creature of the Cambrian.	Anomalocaris	10%
The largest land invertebrate of all time.	Arthropleura	10%
The largest bony fish of all time.	Leedsichthys	10%
Cephalopods with long, straight shells; abundant in the Paleozoic.	Orthocerida	10%
Class of armored fish from the Paleozoic.	Placodermi	10%
Group of extremely large seabirds with tooth-like points in their beaks.	Pseudotooth birds	10%
Carboniferous dragonfly relative with a huge wingspan.	Meganeura	8%
Order of Paleozoic aquatic arthropods; some grew to gigantic sizes.	Eurypterida	7%
Cambrian creature of unclear morphology; named for its dreamlike looks.	Hallucigenia	7%
A famous Devonian fish with many tetrapod features.	Tiktaalik	7%
Supposed largest dinosaur of all time; known only from a single bone.	Amphicoelias	5%
Order of rodent-like mammals that thrived from Jurassic to Oligocene.	Multituberculata	5%
Group of amphibians named after their peculiar tooth structure.	Labyrinthodontia	2%
This locust formed the largest swarms known; died out in early 20th century.	Rocky Mountain locust	2%