The longest dinosaur name of all is micropachycephalosaurus which means little thick-headed lizard. Its a dome-headed little dinosaur.
What Dino has the longest name?
The dinosaur with the longest name was Micropachycephalosaurus meaning tiny thick-headed lizard. Its fossils have been found in China, and it was named in 1978 by the Chinese paleontologist Dong.
What dinosaur is bigger than argentinosaurus?
The huge size of each suggests the dinosaur was a very large titanosaur—one that might be bigger than Argentinosaurus. That claim cannot be confirmed, however, until leg bones are found. Their size will allow the researchers to make estimates of the animals body weight.