The Seven Largest Species That Ever Lived

We know that giant dinosaurs lived in the past and now they are extinct. But there are many other huge animals that lived in the past and now they are extinct. Here are some such animals, which were revealed in the studies of scientists while studying the fossils.

Giant Sea Scorpion

Source

Jaekelopterus rhenaniae, giant sea scorpions lived 390 million years ago. The size of giant sea scorpion is said to be equivalent to the size of a large crocodile; it measured 8.2 feet long. Its spiked claw alone was 46cm long. This was considered to be one of the top predators of the time.

Megalodon Shark

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This huge shark lived 1.5 million years to 5 million years back. Based on the fossils it is estimated to be 50 feet long and 30 times heavier more than the white sharks. Its teeth alone were 6 inches or longer (they were strong enough to chew a car made with iron) and jaws were around 6 feet wide.

Beelzebufo Frog

Source

This devil frog lived on this earth 70 million years ago. Based on the fossils found in the Madagascar this frog is estimated to be 41cm long and 4.5 kilograms in weight. With its big mouth and powerful jaws it could kill hatchling dinosaurs.

Titanoboa Snake

Source

Titanoboa or titanic boa was the world’s largest snake that lived 60 million years back in Cerrejón region of northern Colombia. With its huge weight of 1,135 kilograms and length of 42 feet (equal to the length of a bus) this animal could crush its prey with its powerful muscles.

Peruvian Giant Penguins

Source

These people-sized penguins lived 36 million years ago in Peru. With their five-foot height and one-foot long beak these penguins used to look fearsome. It is estimated that the walking and swimming style of these animals were also different from the present penguins.

Giant Rat

Source

Source

Based on the fossils available in Uruguay these giant rats lived on the earth 4 million years ago. This giant rodent had huge incisors of 30cm long which were useful for fighting and felling trees (it was herbivorous). With its huge weight of 1000kgs and 10 feet length it used to look like hippo and most of times spend its time under water to reduce the stress (caused due to its size).

Giant Kangaroos

These giant kangaroos lived on Tasmania Island 40,000 years ago. These creatures measured more than 10 feet long and weighed 500 kilogram. They were extinct due to severe draught.

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49 Responses to “The Seven Largest Species That Ever Lived”
  1. BC Doan Says...

    On February 18, 2009 at 8:26 am

    Fascinating species! Great and informative article..


  2. Lee Altman Says...

    On February 18, 2009 at 9:00 am

    Great work, I couldn’t help but giggle when I imagined a Beelzabufo frog sitting in my lawn.


  3. clay hurtubise Says...

    On February 18, 2009 at 9:24 am

    Interesting. Saw a piece on TV where some think some Megalodons may still live.
    Thanks,
    Clay


  4. K Kristie Says...

    On February 18, 2009 at 9:25 am

    That is one huge shark.


  5. Chris Stonecipher Says...

    On February 18, 2009 at 9:28 am

    Fascinating work! I think if I could ever see one of those huge boas, I might pass out! Hate snakes.


  6. Ristifer Says...

    On February 18, 2009 at 9:54 am

    I knew someone would pick up on that massive Boa eventually. Good article.


  7. rulerlt Says...

    On February 18, 2009 at 1:42 pm

    rat,rat,rat :D


  8. Blue Buttefly Says...

    On February 18, 2009 at 5:26 pm

    Interesting findings!


  9. valli Says...

    On February 18, 2009 at 7:12 pm

    Thanks everybody for the nice feedback.


  10. Eunice Tan Says...

    On February 18, 2009 at 8:10 pm

    wow! really fascinating. It is horrible to meet the giant snake or rat. Great information, Valli


  11. CHAN LEE PENG Says...

    On February 18, 2009 at 8:31 pm

    Interesting!Thanks for the read.


  12. Maria Blazz Says...

    On February 18, 2009 at 8:39 pm

    Well, in some way I’m glad they don’t exist anymore! :)


  13. Judy Sheldon Says...

    On February 18, 2009 at 8:58 pm

    These are fascinating. Thanks for sharing. Some of these creatures would have been pretty scary.


  14. Yovita Siswati Says...

    On February 18, 2009 at 10:43 pm

    Thank God that giant scorpion no longer live these days.


  15. PsychoButterfly Says...

    On February 19, 2009 at 12:51 am

    Awesome article! Very informative!


  16. Debra Mann Says...

    On February 19, 2009 at 1:34 am

    Fascinating article! Nice pics as well!


  17. Anne Lyken Garner Says...

    On February 19, 2009 at 2:23 am

    Interesting facts, thanks for putting them together.


  18. Edward J Rodrigues Says...

    On February 19, 2009 at 2:36 am

    the frog looks scary…


  19. Rana Sinha Says...

    On February 19, 2009 at 2:59 am

    Awesome animals. The Beelzebufo Frog looks kinda cute.


  20. Shari86 Says...

    On February 19, 2009 at 3:24 am

    Very well researched and informative article.


  21. Unofre Pili Says...

    On February 19, 2009 at 5:59 am

    Wow! amazing. Very curios discovery…a pattern is clear that millions of years ago, giants populate the earth…why the extinction? Perhaps being huge was such an impediment for survival.


  22. Calum awcock Says...

    On February 19, 2009 at 7:47 am

    Hi,

    I really liked your article! It is fascinating! I Had no idea that animals this size used to exist! Amazing! :)

    Thanks,

    Calum


  23. ur guide Says...

    On February 19, 2009 at 8:17 am

    superb article


  24. John McDonnell Says...

    On February 19, 2009 at 10:35 am

    Great article! That shark is especially scary. These are undoubtedly some of the largest creatures ever, although I think the modern blue whale is supposed to be the largest mammal to have ever lived.


  25. C Jordan Says...

    On February 19, 2009 at 1:15 pm

    Fascinating stuff Valli


  26. papaleng Says...

    On February 19, 2009 at 1:56 pm

    amazing facts on a well-researched article.


  27. valli Says...

    On February 19, 2009 at 2:53 pm

    Thank you everyone for reading and commenting.


  28. nobert soloria bermosa Says...

    On February 19, 2009 at 3:26 pm

    very large creatures indeed


  29. catlord Says...

    On February 19, 2009 at 3:30 pm

    kewl! And, this is I think the first time that I have ever seen a SNAKE that was from the fossil record. I knew that had to have existed, but dinosaurs were scary enough.., a giant snake? Yikes!

    -thestickman


  30. Beverley Mosley Says...

    On February 19, 2009 at 4:44 pm

    That is a big shark. Maybe they should have based Jaws on that shark and not on a great white.


  31. Lauren Axelrod Says...

    On February 19, 2009 at 6:05 pm

    I’m with stickman on this one. I though garden snakes were bad.


  32. derrickblogs Says...

    On February 20, 2009 at 5:02 am

    interesting that frog was enough for one article.
    very nice and informative.
    original work.


  33. Joni Keith Says...

    On February 20, 2009 at 10:55 am

    What a well researched article. So informative with great pictures. I guess I’m glad I live in modern times. Sounds like humans would serve as a tasty treat to some of these creatures.


  34. trishia Says...

    On February 20, 2009 at 7:07 pm

    What a facinating find!


  35. Joshua Miguel Says...

    On February 20, 2009 at 7:22 pm

    the giant rat is very interesting. good thing its already extinct,if not households need to have a giant mousetrap… lol


  36. valli Says...

    On February 20, 2009 at 7:43 pm

    Thank you all for your encouraging comments.


  37. Chelsea A Miller Says...

    On February 20, 2009 at 11:14 pm

    Very intresting article. The first thing I thought when I saw the title was ok its about dinosaurs but I was clearly wrong.


  38. Rebecca Caitlyn VanGogh Says...

    On February 20, 2009 at 11:55 pm

    They are really giants!


  39. writing4angels Says...

    On February 21, 2009 at 12:09 am

    A superb artistic way of writing while sharing knowledge. Awesome write!


  40. Cardinalsfan Says...

    On February 21, 2009 at 2:09 am

    Wow. Great article. Very interesting. I wouldn’t want to meet the Titanoboa Snake.


  41. Mythili Kannan Says...

    On February 21, 2009 at 8:09 am

    Wow… nice infos valli… I’m really scared


  42. Lucia Says...

    On February 21, 2009 at 4:40 pm

    Cool


  43. valli Says...

    On February 21, 2009 at 7:35 pm

    Thanks everybody for reading and commenting.


  44. Lex92 Says...

    On February 21, 2009 at 9:15 pm

    those are huge!!!


  45. Dee Huff Says...

    On February 22, 2009 at 5:55 am

    Scary!


  46. Eclipse7 Says...

    On March 18, 2009 at 3:52 pm

    I am so glad they are extinct!!!


  47. bob Says...

    On June 26, 2009 at 7:28 pm

    im highly doubtful of these years of the species the first one 390 million years ago really? who comes up with these times can a palentologist really say something lived that long ago?


  48. Joey Naidu Says...

    On December 22, 2010 at 5:48 am

    I wish i could go back in time & watch them in action!……
    ill give anything for that!


  49. mostpopulararticle Says...

    On January 12, 2011 at 11:22 am

    Your Triond articles are being followed by The Triond Experiment blog and when your articles happen to be related to the blog posts, your article links are automatically pulled up and attached with the blog posts as “Read Related Articles”.

    This article is currently showed a “Read Related Article” under Five Largest Lakes in the World .

    Thanks and best of luck!


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