25 Biggest Prehistoric Animals To Ever Exist

Did you love dinosaurs when you were a kid? Probably. But how much do you actually know about them? Dinosaurs and other prehistoric animals are some of the most diverse creatures to have ever roamed the Earth. Some of these creatures were as small as chickens, but some were bigger than we could easily imagine. Today, we’re going to take a look at the 25 Biggest Prehistoric Animals To Ever Exist!

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CotylorhynchusSource: reptileevolution.com

The largest pelycosaur and predecessor to the modern day turtle weighed roughly 2 tons!




MoschopsSource: prehistoric-wildlife.com

A Therapsid, Moschops was pretty much the cow of the Permian period. 225 million years ago this 2,000 pound predecessor to the mammals lumbered across the African plains, possibly in large herds.




SmokSource: smithsonianmag.com

This Triassic Archosaur was basically the forerunner to the dinosaurs. This interestingly named predator weighed over 1 ton.




MosasaurusSource: jurassicworld.com

As the biggest Mosasaur, this creature was over 50 feet (15 meters) long and weighed more than 15 tons. In fact, they were the last underwater apex predator before sharks took the reigns.



ElasmosaurusSource: reptileevolution.com

Although it only weighed 3 tons, the largest Plesiosaur was nearly 45 feet (13.7 meters) from head to tail. As an underwater predator, it mostly fed on small fish and squid.


Featured Image: pixabay (public domain)

25. Nobu Tamura (http://spinops.blogspot.com), Cotylorhynchus BWCC BY-SA 3.0, 24. Creator:Dmitry BogdanovMoschops11DBCC BY 3.0, 23. Grzegorz Niedźwiedzki, Tomasz Sulej, and Jerzy Dzik, SmokCC BY 2.0, 22. Creator: Dmitry BogdanovMosasaurus beaugei1DBCC BY 3.0, 21. wikimedia commons (public domain), 20. Nobu Tamura (http://spinops.blogspot.com), Liopleurodon BWCC BY-SA 3.0, 19. Dmitry Bogdanov, Kronosaurus hunt1DBCC BY 3.0, 18. Nobu Tamura (http://spinops.blogspot.com), Shastasaurus BWCC BY 3.0, 17. HombreDHojalataDinosaurios Park, SarcosuchusCC BY-SA 3.0, 16. Alina Zienowicz (Ala z), e-mailKecalkoatl (Quetzalcoatlus) – JuraPark Baltow (1)CC BY-SA 3.0, 15. No machine-readable author provided. Deivid assumed (based on copyright claims)., Riojasaurus sketch3CC BY-SA 3.0, 14. Creator:Dmitry BogdanovDiplodocus carng1DBCC BY 3.0, 13. Volkan YukselBrontosaurus at TCMI by Volkan Yuksel 7-11-09 DSC02702 PN 24387230 csCC BY-SA 3.0, 12. FunkMonk (Michael B. H.), Hypothetical DeinocheirusCC BY-SA 3.0, 11. Ghg4310Gigantoraptor-the-feather-007CC BY-SA 4.0, 10. Creator:Dmitry Bogdanov, Modified to match skeletal remains and phylogenetic placement by FunkMonk, Lambeosaurus laticaud1DBCC BY 3.0, 9. NobuTamura email:nobu.tamura@yahoo.com, Titanoceratops NTCC BY-SA 3.0, 8. Ferahgo the Assassin (Emily Willoughby, e.deinonychus@gmail.com) http://emilywilloughby.comUtahraptor ostrommaysorumCC BY-SA 3.0, 7. J.M. LuijtTyrannosaurus AMNH 5027 (white background)CC BY-SA 2.5 NL, 6. DurbedGiganotosaurus carolinii by durbedCC BY-SA 3.0, 5. Bogdanov, modified by Matt Martyniuk (User:Dinoguy2) and User:FunkMonk. Jaw muscles taken from[1] by User:Steveoc_86., Spinosaurus1DBaCC BY-SA 4.0, 4. ДиБгдAmphicoelias17DB2CC BY-SA 4.0, 3. Goombasaurusrex, BruhathkayosaurusCC BY-SA 3.0, 2. Nobu Tamura (http://spinops.blogspot.com), Futalognkosaurus BWCC BY 3.0, 1. Dinosaur ZooArgentinosaurus size compasison with manCC BY-SA 3.0

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