What Animals Today Are Related To Dinosaurs?

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Dinosaurs are a distinct group of lizards of the clade Dinosauria. They initial appeared during the Triassic age, a geologic era which traverses 50.6 million years from the end of the Permian Age 251.9 million years ago and the period is the first and smallest period of the Mesozoic Era, between 243 and 233.23 million years before, though the definite origin and timing of the development of dinosaurs is the subject of active analysis.

They became the predominant terrestrial vertebrates after the Triassic–Jurassic extirpation event 201 million years ago. 

They are a different group of animals from taxonomic, morphological, and environmental viewpoints.

The most magnificent animals that have wandered on Earth but in fact, in the ancient era, almost all animals, as well as plants, were much bigger than the modern equivalents. From an elephant-sized lethargy to a car-size armadillo, however, check out the 20 giant animals that are related to Dinosaurs.

1. Short-faced bear

Short-faced bear

Present days, the polar or frozen bear and the Kodiak bear have recognized the biggest sorts of the bear, both of them showing as much as  680 kg, which is an extraordinary size but contrasted to the short-faced bear, these animals are quite lightweight.

The deceased bear resided North America during the Pleistocene epoch until 11,000 years ago and it was standing on its back legs up to 12 feet tall. Furthermore, it’s measured to have weighed over 1360 kg.

2. Haast´s eagle

Haast´s eagle

Today, the giant eagle species of eagles such as the Philippine, wedge-tailed eagle normally weigh up to 6.7 kg and have wingspans of up to 7 feet, the Haast’s eagle was considerably bigger.

Once local to New Zealand where it became extinct some 600 years ago, the raptor could weigh more than 16 kg, and though it had a comparatively short wingspan for their size, it was quiet much longer than the one of the present eagles.

3. Megatapirus


The mega tapir is an obsolete tapir that existed in southern China, reports also suggest it also existed in Java and Vietnam. Evidence recommends that the kinds of animals first seemed in the Early Pleistocene.

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However, currently, we know five separate species of tapir that range in size from 150-300 kg but from the Middle Pleistocene to about 4,000 years ago, there was an animal called megatapirus that was larger, considerably more massive and more extensive.

4. Megatherium


Megatherium was a species of elephant-sized ground sloths. It has been living from the late Pliocene to the end of the Pleistocene, it was one of the biggest tract mammals, measuring up to 4 tons and measuring up to 20 feet in length.

Specialists recommend that Megatherium was able to bipedal movement and had a long organ like tounge used for inserting leaves into its mouth.

5. Diprotodon


There are 3 known kinds of wombats today, extending in weight from 20 – 35 kg and normally reaching a length of fewer than 40 inches. It’s tough to believe that these cute marsupials belonging to Australia evolved from a creature the size of a rhinoceros.

Diprotodon, a member of a group of amazing species called the “Australian megafauna” and the biggest marsupial ever which was up to 10 feet tall and weighed over approximately 2800 kg.

6. Megalodon


If you think present sharks are big and terrifying, you apparently haven’t listened to megalodon. Meaning “big tooth”, Megalodon is an obsolete species of enormous shark that lived about 28 to 1.5 million years ago. 

Its unimaginable length of up to 60 feet and it’s regarded as one of the biggest and most dominant predators ever. Megalodon fundamentally looked like a much larger and impressive version of the great present white shark.

7. Prionosuchus


The Chinese monstrous salamander with a length of up to 6 feet. It is the biggest amphibian in the world now. Compared to the size of prionosuchus, it’s a completely negligible number.

That was lived in the Middle Permian about 270 million years ago in today Brazil, the crocodile-like animal reached an estimated length of 30 feet.

8. Meganeura


Insect species have their monstrous prehistoric kin. It was a species of lost insects from the Carboniferous era which are linked to present-day dragonflies.

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With wingspans of up to 26 inches, it is one of the largest known flying insect species that lived on Earth. Meganeura was a predator with its menu consisted largely of other insects and small amphibians.

9. Glyptodon


The pink fairy armadillo, the most miniature living species of armadillo, weighing about 120 gram and measuring about 4 inches, comes from the glyptodont, a monstrous armadillo that lived during the Pleistocene epoch.

Reaching well over 10 feet in length, and a weighing up to 2 tons, the prehistoric steel-plated herbivore was the size of a small car.

10. Gigantopithecus


Similar to the fictional monstrous ape King Kong, it was a real animal living between 9 million to 100,000 years ago in today’s Asia.

Occupying up to 10 feet high and weighing up to 540 kg, it was the longest ape on Earth. The animal is believed to have walked on all fours like present-day’s gorillas and chimpanzees.

11. Woolly rhinoceros

Woolly rhinoceros

The woolly rhinoceros was a long and stocky animal typically up to 13 feet in length, with an approximated weight of up to  3,200 kg. It was once common throughout Europe and northern Asia.

It was a member of the Pleistocene megafauna, it remained the last glacial era.

12. Terror bird

Terror bird

The present ostrich is the largest and heaviest bird in the world. But compared to Phorusrhacid,  the ostrich is a lightweight.

These prehistoric carnivores were lightly taller but much more muscular and heavy than today’s ostriches and weighed about half a ton. But despite their gigantic body mass, they might have been capable to run as fast as a cheetah.

13. Megalania


The worried Komodo dragon, the world’s most extensive monitor lizard, can be up to 10 feet tall and weight as much as 70 kg. However, Megalania was bigger and an Australian ancestor.

The monstrous lizard, that became obsolete as recently as just about 30,000 years ago, could have been about 25 feet long with a weight of well over 450 kg which would make Megalania the biggest terrestrial lizard known to have ever survived.

14. Paraceratherium


The present rhinos have one more classical ancestor. Surviving in the Oligocene epoch, the hornless rhinoceros is the most extensive terrestrial mammal that has ever survived.

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Estimating as much as unbelievable 20 tons and reaching a length of 30 feet, the monstrous herbivore occupied a place of present Europe and Asia.

15. Pulmonoscorpius


The present scorpions are terrible and overwhelming animals worried by numerous people. Therefore, meeting their 30 inches lengthy prehistoric relative Pulmonoscorpius would be a true illusion.

The Pulmonoscorpius is a monstrous species of obsolete scorpion that lived some 345 to 330 million years ago. It was a worldly animal feeding probably on small tetrapods.

16. American lion

American lion

The African lion is the world’s second-largest cat after the tigers with males sometimes surpassing 250 kg in weight but as recently as 11,000 years since there was a lion in North America that had even more majestic size.

The animal was up to 8 feet tall and could weight overall 350 kg.

17. Josephoartigasia monesi

Josephoartigasia monesi

These days, the capybara is the longest living rodent. It can measure as much as 66 kg which sounds like a lot but contrasted to the size of Josephoartigasia monesi, an obsolete species of South American rodent, it is unquestionably nothing. Surviving 4 to 2 million years ago, also called the giant pacarana.

18. Deinosuchus


Crocodiles are recognized as enormous and fearsome animals. They are estimated direct descendants of dinosaurs but in fact, there were crocodilian species that really killed dinosaurs.

Surviving 80 to 73 million years ago, Deinosuchus was one of them. Up to 40 feet in length and 10 tons in weight, Deinosuchus had large, spiny teeth capable of killing and eating sea turtles, fish, and even large dinosaurs.

19. Archelon


Archelon, monster a marine turtle, whose closest existence kin in the existing day is the leatherback sea turtle, was more than 4 meters tall, and approximately 5 meters wide. The weight of the turtle is measured at more than 2200 kg.

20. Deinogalerix


Deinogalerix was a relative of contemporary hedgehogs. But while hedgehogs are normally just about 8 inches tall, the animal was three times bigger with just its skull being the size of a current hedgehog.

Paleontological inquiry suggests that the species might have been endemic to an enclosed area today known as the Gargano Peninsula in Italy.

I write about new technologies, often hardware, equipment, and 3D technology, but sometimes mobile and in the cloud. I like to help owners and executives of small and medium enterprises to discover how to use these tools to grow their businesses. In the past, I have penciled the Wall Street Journal, Make, Sports Afield, Pittsburgh Business Times and many others.

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