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Pterrible

Possibly one of the most recognizable dinosaurs, Stegosaurus was named in 1877 by Othniel Charles Marsh during the “Bone Wars,” becoming the flagship genus of the entire Stegosaur group. The name Stegosaurus means “roofed” or “covered lizard,” as Marsh initially thought the back plates formed a roof-like shell over the animal’s back. There are 3 species currently described: S. ungulatus, S. sulcatus, and S. stenops (stenops being the longest species yet discovered at 29.5 feet).

Future Paleontologists unite! Learn the wonders of extinct prehistoric creatures throughout the Triassic, Jurassic and Cretaceous period with our dinosaur fun facts designs! Educate yourself on the fossils of time with this paleontology series.

Roughly 76 to 75 million years ago during the Late Cretaceous period, large herds of an animal now known as Lambeosaurus congregated around the shallow rivers that ran through what is now Alberta, Canada. These beasts could be up to 31 feet long, and weigh up to 3 and a quarter tons, they would mostly walk on all fours, switching to two when speed was required, their huge tails stiffly hanging in the air behind them, making up nearly half of their length. On their heads, they sported large, flamboyant crests, the males likely sporting ones larger and more complex than those of the females.

Yutyrannus huali lived in what is now China during the Early Cretaceous (124.6 million years ago). An early relative to the famed T.rex, it is known from three nearly complete fossil skeletons that were found together and show a surprising amount of detail, including the presence of a feathered covering over most of their bodies. At adulthood Y. huali measured at around 29.5 feet in length and weighed in at about 1.2 tons, making it the largest dinosaur yet discovered with direct evidence of feathers.

Discovered in the Gobi desert, Velociraptor was roughly the size of a modern day Turkey, standing at just around 1.6 feet in height at the hip and measuring 6.8 feet in length, it likely only weighed around 33 pounds when fully grown. Like all members of the dromaeosauridae family it possessed a pair of specialized claws on the second inner toe of each foot. These claws were over-sized and were held off the ground by tendons that allowed them to retract when not in use, it’s thought they deployed this menacing weaponry as a means to pin struggling prey, much like modern day eagles and hawks do.

Parasaurolophus (or “near crested lizard”) was a hadrosaur, or duck billed dinosaur that lived in North America and Asia during the Late Cretaceous Period, roughly 76.5–73 million years ago. They traveled in large herds and bore a large crest on their heads that scientists believed served a dual purpose with both a species recognition symbol and as an acoustic resonance chamber. The hollow sections of the crest likely allowed them to let out range of loud noises to signal many things like sounding a warning for the rest of the herd to know that a predator is near by and to attract mates.

While being a member of the overall group that dinosaurs like Ankylosaurus was a part of, Sauropelta edwardsorum was a member of a different branch known as Nodosaurs. Unlike Ankylosaurs, Nodosaurs did not possess tail weapons, though they often displayed large shoulder spikes and still possesses a body covered in armor. Sauropelta could grow up to 17 feet in length and weighed around 2.2 tons, they lived during the Early Cretaceous period, around 108 million years ago.

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Sinosauropteryx was a small theropod dinosaur that lived in what is now Northeast China during the Early Cretaceous (124.6 to 122 million years ago). At only 3.5 ft in length and 1.2 lb in weight, it wasn't the most imposing of predators, being roughly the same size and weight as a modern pheasant. It mostly fed on small mammals and reptiles, with one fossil showing the nearly complete remains of a lizard swallowed whole some time before the little dinosaur died, being buried quickly in a layer of volcanic ash and silt. S. prima was the first dinosaur to have fossil pigment cells examined with new techniques, scientists have determined the color and pattern of it's feathers, including a banded ring tail, shown in this reconstruction.

A fossil dinosaur skull, bones, cratered moon, glowing minerals and blooming flowers: a gathering of specimens inspired by my love of natural history. Illustration by Sharon Wegner-Larsen. Created with ink, colored pencil & digital. ©2022 Sharon Wegner-Larsen

n what would eventually become the Gobi Desert in Southwestern Mongolia, a creature with claws 3 times the length of the average human forearm. These massive scythe-like appendages were attached to a very odd looking member of the dinosaur family, a large theropod with an unusual gait, long neck, and a large potbelly built. This animal was most likely an herbivore, despite the vicious looking nature of it’s forelimbs, but being a big animal with short legs it’s likely that it developed big claws partly as a means to defend itself against big predators like Tarbosaurus bataar, a relative of T.rex that stalked Mongolia during the Late Cretaceous (70 million years ago).

This adorable children's book style cartoon illustration makes a great gift for anyone, young or old, who loves dinos. The happy smiley style makes this Stegosaurus fun for all ages

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The epic skull of T. rex in a swirl of fossil ammonites and minerals! Created with ink on paper & colored digitally, by Sharon Wegner-Larsen. www.omegafauna.com ©2022 Sharon Wegner-Larsen

Yutyrannus huali was a basal member of the Tyrannosauroid clade, specifically part of the Proceratosauridae family group with other small bodied crested dinosaurs like Guanlong and Sinotyrannus. Yutyrannus was large for it’s group but still much smaller than later, more advanced members of it’s clade, like Tyrannosaurus Rex. Despite this, at roughly 30 feet it is still currently the largest dinosaur yet found with direct evidence of feathers. It’s name is in fact derived from the Mandarin word for feather, yǔ (羽), and the Greek word for tyrant. The species name huali is taken from Mandarin for beautiful, making it’s overall name mean something close to “beautiful feathered tyrant.”

Akylosaurus, it’s name means the “fused lizard.” This big guy was the largest known member of a group of the most heavily armored dinosaurs ever to have lived, most of it’s body was covered in large osteoderms (bony hard scales, or plates), this armor was so impenetrable that some scientists think that they might have had armored eye lids. Ankylosaurus lived during the Late Cretaceous at around 68 to 66 million years ago. The largest specimens found to date probably weight in at a maximum of 4.4 – 7.9 tons, and sported a large tail weapon (or club) that could be up to around 2 feet wide and could easily shatter bone, easily able to shatter the leg bones of big predators like Tyrannosaurus Rex.

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Baryonyx walkeri was theropod dinosaur that lived during the Early Cretaceous period in what is now Surrey, England. At nearly 30 feet in length and weighing in at around 1.9 tons it was a big animal, but despite its size fossil evidence of fish scales in its abdominal cavity suggest that rather than going after large prey items on land it most likely relied on fish for the bulk of its diet. This and other anatomical evidence actually made it the first theropod dinosaur ever known to have relied on a primarily ichthyophagous diet.

A sparkling botanical dinosaur bouquet of Stegosaurus and ferns. Illustration by Sharon Wegner-Larsen. Created with ink, watercolor & digital. www.omegafauna.com ©2022 Sharon Wegner-Larsen

Styracosaurus (or “spiked lizard”) was a member of the ceretopsian family of dinosaurs. Though somewhat smaller than it’s much more famous relative Triceratops, it made up for it’s lack of size in the number of horns it had covering it’s face with one long central horn jutting from it’s nose and at least 4 or more long frill spines protruding from the crest on the back of it’s skull. The spines most likely had a variety of purposes, from defense, to attracting a mate, to species recognition. Styracosaurus was a hervivore and lived during the Late Cretaceous period, roughly 75.5 to 75 million years ago, in what would eventually become North America ranging from Alberta, Canada to what would eventually be Montana in the United States.

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This T-Rex Dinosaur Astronaut Space Funny product makes a perfect gift for any dinosaur lover.

Did you know that Dimetrodon is not a dinosaur? It is an extinct genus of non-mammalian synapsid that lived around 295–272 million years ago. Mammals are also synapsids (while dinosaurs are not) making us humans a closer relation genetically. They also incorrectly appear with dinosaurs in cartoons and movies millions of years after being extinct as a species (for example The Land Before Time).

Weighing in at around 7.9 tons and measuing up to around 40 feet in length, Tyrannosaurus rex was a carnivorous powerhouse. With teeth the size of your average banana and a jaw wrapped in powerful muscle, recent studies have estimated it was capable of exerting a bit force of around 12,000 pounds, making it easily capable of ripping the flesh and absolutely pulverizing the bones of any Cretaceous animal unlucky enough to cross it’s path.

Photography mix of art and editing. Is it grand canyon in a Tyrannosaurus? Or is a t-rex in grand canyon? Its a parody original artwork of texture blending the nature with t-rex. Rocks, river, dust, and Tyrannosaurus. A scary thankfully not longer exist animal of the past. It looks like a painting but its combination of many styles and types of artwork. The terrific T. Rex was a seriously big beast, growing up to 12m long and 6m tall. The T. Rex roamed the planet during the late Cretaceous Period 65 million years ago, in what’s now the USA and Canada. The T. Rex was super smart too, boasting a brain twice as big as those of the other giant carnivores.

My favorite animal is Dimetrodon!

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Oviraptor was a small predatory dinosaur that lived in the Gobi Desert during the Late Cretaceous (around 75 million years ago). It was about 3 feet tall and 5 feet in length, and very lightly built, probably only weighing around 55 to 79 pounds, much like it’s modern bird relatives. Studies of earlier relatives suggest that they not only had feathers but had large display feathers on their tails that were likely used to woo potential mates. The discovery of Oviraptor embryos has allowed scientists to get a better idea of the biology of these animals and of dinosaur egg laying behavior, as well as their development.

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The iconic skull of Triceratops in a swirl of ginkgo leaves and minerals! Illustration by Sharon Wegner-Larsen. Created with ink on paper & digital color. www.omegafauna.com ©2022 Sharon Wegner-Larsen

Incisivosaurus was a small dinosaur that lived during the Early Cretaceous, 126 million years ago. It was discovered in Northern China in 2002. The nearly complete remains were found with feather preservation. Their most unique feature is a pair of pronounced front teeth that scientists think they used to break open hard nuts or fruit as it's likely they were primarily herbivores. They measured only 3.3 feet in length.

You like iguanadons. Iguanadons like you.