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One of the longest complete dinosaurs is the 27-metre-long (89 ft) Diplodocus, which was discovered in Wyoming in the United States and displayed in Pittsburgh's Carnegie Natural History Museum in 1907.
Only 8 meters (about 26 feet) long and weighing an estimated 5 metric tons (about 5.5 tons), S. songwensis was among the smallest of the titanosaurs. This Encyclopedia Britannica Animals list features 8 titanosaurs, some of the biggest dinosaurs and biggest land animals that ever lived.
The longest is 1.4 metres, meaning that this sauropod's neck is estimated to have been up to 12 metres long overall. While this is very long, it is marginally shorter than the 15-metre-long neck of Mamenchisaurus sinocanadorum, which may be the longest dinosaur neck found so far.
It was a member of Titanosauria, the dominant group of sauropods during the Cretaceous. It is widely regarded by many paleontologists as the biggest dinosaur ever, and perhaps lengthwise the longest animal ever, though both claims have no concrete evidence yet.
On the following slides, you'll find the biggest dinosaurs, according to the current state of research—as well as the biggest pterosaurs, crocodiles, snakes, and turtles.
The gold medal for the longest dinosaur in the world might go to the aptly named Supersaurus, now that scientists have fixed a fossil mix-up and analyzed new bones excavated from the...
They ranged from the chicken-sized Microraptor zhaoianus – at 39 cm (15.3 in) in length, the Smallest dinosaur – to the titanic sauropods (aka titanosaurs) that could weigh the same as an entire herd of African elephants, the Largest land animals today…