Different Types Of Extinct Animals

Albertonectes

The Albertonectes had the longest neck out of other Elasmosaurids.

Allosaurus

Allosaurus is the official state fossil of Utah because of the abundant number of fossils found in the state.

Allosaurus

Differnt Lizard” or Allosaurus weighed around two tonnes that is almost equal to a car.

Amargasaurus

Amphicoelias Fragillimus

Only one fossil has been found for this dinosaur and it was lost very soon after discovery.

Andrewsarchus

Andrewsarchus is the largest terrestrial mammalian carnivore to have ever lived.

Anomalocaris

Anteosaurus

Although the Anteosaurus looked like a crocodile, it is more related to mammals than reptiles.

Arambourgiania

The Arambourgiania was not a dinosaur but instead a pterosaur!

Archaeoindris

Archaeoindris was the largest primate to evolve in Madagascar

Archaeopteryx

Archaeotherium

The family Entelodontidae is commonly referred to as "hell pigs."

Archelon Turtle

Archelons are the largest turtles to have ever lived in the world

Arctodus

The South American spectacled bear is its closest relative living today.

Arctotherium

The first fossil from the genus Arctotherium was discovered back in 1852.

Argentavis Magnificens

The Argentavis Magnificens was the heaviest flight bird to ever exist

Argentinosaurus

The Argentinosaurus weighed as much as 10 elephants!

Arsinoitherium

Arsinoitherium was a twin-horned mammal that looked like a rhino but is more closely related to present-day elephants.

Arthropleura

Arthropleura was the largest terrestrial invertebrate to have ever lived

Aurochs

Extinct ancestor of all domesticated cattle!

Australopithecus

Barinasuchus

Largest terrestrial predator of the Cenozoic era

Barosaurus

If a barosaurus were alive today, it could stand on its hind legs and look in a 5th floor apartment window.

Barylambda

Barylambda was one of the largest animals that lived during the Paleocene

Basilosaurus

Brachiosaurus

Palentologists originally believed that brachiosaurus lived in the water, but they lived on land.

Bull and Terrier

Bull and Terriers were explicitly bred for bull-baiting, a savage blood sport where certain dog breeds would attack an angered bull tied to a pole.

Cape Lion

Despite its large, muscular body, the Cape lion actually rests more than 20 hours a day

Carolina Parakeet

The Carolina parakeet is one of the few parrots that lived as far north as the United States

Cave Bear

Cave bears may have been worshiped by primitive humans.

Cave Lion

Unlike modern lions, cave lions didn't have a significant mane.

Cephalaspis

Ceratopsian

Ceratosaurus

Cervalces latifrons (Broad-Fronted Moose)

Cervalces latifrons are the largest species of deer that ever existed.

Compsognathus

Coryphodon

The Coryphodono looked like a fancy rhinocerous, but it was more related to elephants

Crocodylomorph

Crocodylomorphs include extinct ancient species as well as 26 living species today.

Cryolophosaurus

This dinosaur was known as the elvissaur due to its pompadour-like crest.

Daeodon

Scientists don't know whether daedon had scales, feathers, fur, or something else.

Deinocheirus

Despite being bipedal, Deinocheirus had a large forearm

Deinosuchus

Deinosuchus was probably the biggest crocodilian that ever lived

Desmostylus

Desmostylus has no living descendant.

Dickinsonia

Dilophosaurus

Dilophosaurus was the largest predatory dinosaur in North America during the Early Jurassic Epoch of the Jurassic Period.

Dimetrodon

Dimetrodon was among the largest predators of the Early Permian Period.

Dinocrocuta

Dinocrucuta had very strong jaws capable of crushing bones.

Dinofelis

Dinopithecus

The only species currently recognized of this ancient baboon is Dinopithecus ingens.

Dinosaurs

Diplodocus

Their long tales could have been used as a whip!

Diprotodon

Diprotodon was the largest marsupial that ever lived.

Dire Wolf

Dodo

Native to the island of Mauritius!

Doedicurus

Deodicurus was one of the largest glyptodonts to have ever lived.

Dromornis stirtoni

Dunkleosteus

Dunkleosteus had a bite force strong enough to cut through pirey.

Elasmosaurus

Elasmosaurus is an extinct reptile species.

Elasmotherium

Elasmotherium might have had a monstrous horn, giving it the name "The Siberian Unicorn."

Embolotherium

Embolotherium had a ram on its snout like a rhino but they never used it as a weapon.

Epicyon haydeni

Bone crushing dogs

Epidexipteryx

Epidexipteryx was one of the smallest non-avian dinosaurs to ever exist.

Equus giganteus

Equus giganteus is the largest species of horse that has ever lived.

Eryops

Unlike modern amphibians, Eryops had a well-developed rib cage

Euoplocephalus

Euplocephalus are the only Ankylosaurid dinosaurs with a bone plated head.

Eurypterus

Eurypterus has a long tail that looks like a scorpion's stinger

Finch

Finches have strong, conical bills that help them break open tough seeds that many other birds cannot.

Gastornis

Gastornis had a massive beak, but they probably ate plants instead of flesh.

Gigantopithecus

Some cryptozoologists think that Gigantopithecus survives to this day as "The Bigfoot."

Gomphotherium

Gorgosaurus

Gorgosaurus probably lived and hunted in packs.

Haast’s Eagle

The Haast's eagle was the largest eagle to have ever existed.

Haikouichthys

Haikouichthys was the first animal to develop a well-defined head

Hainosaurus

The hainosaurus was named after the Hainaut province of Belgium where the first specimen was discovered.

Hallucigenia

The position of the Hallucigenia's head puzzled scientists for several years

Hatzegopteryx

Hatzegopteryx was one of the largest flying animals to have ever lived.

Helicoprion

Helicoprion was one of the largest cartilaginous fish of all time.

Herrerasaurus

Herrerasuarus was one of the earliest dinosaurs in fossil records

Hippopotamus gorgops

The eyes of Hippopotamus gorgops were positioned on eyestalks which allowed it to see above the water surface when submerged.

Hovasaurus

Hyaenodon

Icadyptes

Unlike present-day pengiuns, Icadyptes lived in a warm habitat near the equator.

Ichthyosaurus

Gave birth to live young instead of laying eggs like other reptiles

Ichthyostega

Ichthyostega was one of the first aquatic animals to venture on land

Iguanodon

Irish Elk

The Irish elk had the biggest antlers of any known deer species.

Josephoartigasia monesi

Josephoartigasia monesi the largest known rodent

Kaua’i ‘Ō‘ō

Calls could be heard up to a quarter mile away

Leedsichthys

Leedsichthys is one of the largest fish ever discovered

Liopleurodon

Liopleurodon were fast swimmers that lived entirely under water, but they had no gills

Livyatan

The Livyatan had 1 to 1.2 foot long, interlocking teeth

Lystrosaurus

Lystrosaurus was one of the few terrestial species that survived the permian extinction

Machaeroides

Machaeroides had large saber-teeth, much like the saber-toothed tiger.

Macrauchenia

The Macrauchenia was a large mammal, at nearly ten feet in length, weighing about 2,299 pounds.

Magyarosaurus

Magyarosaurus is the smallest sauropod dinosaur to have ever lived

Maiasaura

Maiasaura dinosaurs can grow to 31 feet long.

Masiakasaurus

Masiakasaurus had dentition adapted to catching fast-moving prey.

Megalania

Some people believe that Megalania still exists in remote areas, although those beliefs have never been validated with evidence. 

Megalochelys

Meganeura

Mageneura was the largest insect that has ever lived. However, it wasn't the heaviest

Megatherium

Megatherium probably used its lips more than its tongue when feeling for choice leaves in the treetops.

Meiolania

The Meiolania had a massive head that it was unable to put fully inside its shell.

Microraptor

Mosasaurus

The Mosasaurus was much longer than the fearsome Tyrannosaur rex.

Muttaburrasaurus

Muttaburrasaurus is named after the town of Muttaburra in central Queensland.

Neanderthal

Roamed Asia and Europe for around 100,000 years!

Nuralagus

the Nuralagus is the biggest rabbit on record

Opabinia

Opabinia had five stalked eyes on its head.

Ornithocheirus

Scientists once considered the Ornithocheirus an ancestor to modern birds

Ornithomimus

Ornithomimus translates from Greek to mean “bird mimic.”

Oviraptor

Oviraptor means "egg thief" or "egg seizer," though they were quite protective of their own eggs.

Pachycephalosaurus

The Pachycephalosaurus' head was up to 30 times thicker and stronger than a human skull.

Palaeoloxodon namadicus

Palaeloxodon namadicus was the largest land mammal ever found

Palaeophis

This snake was as long as a school bus!

Paleoparadoxia

Scientists were able to determine that Paleoparadoxia was exclusively aquatic by comparing the rib cages of fossils to modern species of mammals like dugongs and polar bears.

Panthera atrox (American Lion)

Panthera atrox was about 25 percent larger than modern lions

Parasaurolophus

The Parasaurolophus ran on its hindlegs at speeds of up to 30mph!

Patagotitan

The patagotitan's bones were hollow and air-filled.

Pelagornithidae

The biggest members of the Pelagornithidae family were the largest flying birds known.

Pelycosaurs

Phorusrhacos

It's a genus of terror birds

Phytosaurs

Platybelodon

Plesiosaur

Plesiosaur had a short tail and an extremely long neck

Pliosaur

Pliosaurs were the short-necked version of plesiosaurs.

Polacanthus

Spiky Herbavore that looks like "bowser"

Procoptodon

The largest variety of kangaroo to have ever been discovered.

Psittacosaurus

These parrot-headed dinosaurs had beaks and feather-like quills on their tails!

Psittacosaurus

The Psittacosaurus dinosaurs had four limbs but were mostly bipedal.

Pteranodon

Pterodactyl

Pterodactyl is not technically a dinosaur. Although they lived during the same time as dinosaurs, they are classified as winged reptiles.

Puertasaurus

"The ribcage of a Puertosaurus was as large as a school classroom!"

Purussaurus

Purussaurus had a bite force that is higher than that of any creature that has ever lived

Quagga

The quagga is a subspecies of plains zebra.

Quetzalcoatlus northropi

Quetzalcoatlus northropi was one of the largest flying animals ever found

Repenomamus

One of the biggest mammals of the dinosaur age that used to eat other dinosaurs

Rhamphosuchus

Rhamphosuchus had a narrow snout with a beak-like appearance.

Saber-Toothed Tiger

Canines up to 7 inches long!

Sandpiper

Some sandpipers can migrate more than 8,000 miles without stopping!

Sarcosuchus

Sarcosuchus is a relative of present-day crocodiles.

Sarkastodon

Sarkastadon was one of the largest land mammal carnivores of all time!

Scutosaurus

Unlike most reptiles, Scutosaurus' legs were positioned underneath its body to support its great weigh

Seymouria

Although Seymouria had so many reptilian features, it was an amphibian

Shantungosaurus

Shantungosaurus was one of the largest duck-billed dinosaurs to have ever lived.

Shastasaurus

Despite the massive size of the Shastasaurus, it only ate soft-bodied prey.

Short-Faced Bear

The modern Spectacled Bear, which lives in South America, is related to the Short-Faced Bear!

Simbakubwa

Simbakubwa kutokaafrika was as big as a polar bear.

Sinosauropteryx

Sinosauropteryx were prominent in the Cretaceous and Jurassic periods.

Sivatherium

Sivatherium was a large giraffid and also one of the largest ruminants of all-time.

Smilosuchus

The biggest species in the Smilosuchus genus, S. gregorii, was the largest known reptile of its time, reaching a length of up to 39 feet.

Spinosaurus

The Spinosaurus is the biggest carnivorous dinosaur ever discovered!

Steller’s Sea Cow

Hunted to extinction in 17 years!

Stupendemys

The largest freshwater turtle known to have ever lived!

Styracosaurus

Suchomimus

It walked on two legs and leaned forward

Supersaurus

Tarbosaurus

Tarbosaurus‘ name “bataar” is a mispelling of the Mongolian word “baatar,” which means “hero.”

Tasmanian Tiger

The Tasmanian tiger could open its mouth almost 90 degrees.

Terror Bird

Thalassomedon

The length of the Thalassomedon's neck was up to half its body length

Thanatosdrakon

Thanatosdrakon was one of the largest pterosaurs that lived in South America.

Theropod

Some theropods had feathers and may have been ancestors of modern birds.

Thylacoleo

Scientists have speculated that its bite force was equivalent to that of a 551 pound lion!

Thylacoleo carnifex

Thylacoleo carnifex was the largest carnivorous mammal in Australia

Thylacosmilus

Thylacosmilus resembled saber-toothed cats, but they’re not related

Titanoboa

The Titanoboa was a massive, 42-foot-long boa constrictor that lives 58-60 million years ago.

Troodon

Troodon formosus means "wounding tooth" in Greek, a name that describes its serrated teeth.

Tully Monster

Tully Monsters can neither be classified as vertebrates nor invertebrates due to their ambiguous body structure.

Tusoteuthis

Tusoteuthis was one of the largest cephalopods ever

Tylosaurus

Tylosaurus was a marine reptile that is closely related to modern-day snakes and monitor lizards.

Tyrannosaurus Rex

They had many air pockets in their skeleton which kept them light despite their tremendous size.

Uintatherium

The Uintatherium was an exceptionally large and exceptionally ugly ungulate that lived during the Eocene epoch

Vegavis

Vegavis was one of the earliest birds to have a sound-producing organ

Velociraptor

Waimanu

The albatross is related to the waimanu!

Wiwaxia

The body of Wiwaxia was covered by rows of sclerites and spines

Woolly Mammoth

Tusks grew to 16ft long!

Woolly Rhinoceros

The woolly rhinoceros roamed the earth between three and a half million and 14,000 years ago.

Xenacanthus

Smal eel-like ancient shark

Xenoceratops

The Xenoceratops is the oldest known horned dinosaur ever discovered in Canada.

Xenoposeidon

They may have acted as 'gardeners' to clear vegetation and disperse seeds through their feces.

Xenotarsosaurus

Xenotarsosaurus was one of the first fossils discovered in South America's Bajo Barreal formation.

Xiaosaurus

Xiaosaurus was a small and lightweight dinosaur

Xiaotingia

Xiaotingia used its feathery hindlimbs for short-distance flights

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