The longest dinosaur name is Micropachycephalosaurus which is 23 letters long.
(pronounced MY-cro-PACK-ee-SEF-ah-lo-SAWR-us)
The Micropachycephalosaurus (meaning "tiny thick-headed lizard") was a very small pachycephalosaurid, a thick-skulled, plant-eating ornithischian dinosaur. It was about 1.5-3 feet (0.5-1 m) long and weighed roughly 22-33 pounds (10-15 kg). It lived during the late Cretaceous period, about 83 to 73 million years ago. Its fossils have been found in China; only a very incomplete specimen has been found.
The Micropachycephalosaurus was named in 1978 by the Chinese paleontologist Dong. The type species is M. hongtuyanensis.
The dinosaur with the longest name is Micropachycephalosaurus, which means "small thick-headed lizard." It was a small herbivorous dinosaur that lived in China during the Late Cretaceous period.
micropachycephalosaurus
its a dinosaur it is the dinosaur with the longest name ever
The second longest dinosaur is Argentinosaurus, at 140 ft long.
AMPHICOELIAS
The longest dinosaur is believed to be Argentinasaurus, which could grow to 110 feet.
Meaning of Name: "delicate jaw" Period: Jurassic Period (205 million to 138 million years ago) Size: about 60 centimeters Weight: 5.5kg Location: France and Germany
Diplodocus had the longest whip-like tail ever.
Liopleurodon
The tallest dinosaur ever discovered is a Sauroposeidon.However, this is not the longest or most massive dinosaur.
micropachycephelosaurus-split the name up micro-small,pachycephelosaurus-bone headed lizard-small boneheaded lizard
The longest dinosaur lenth is about 50 feet (15 meters) according to scientiests.
The oldest living dinosaur was the Staurikosaurus. It lived about 220 million years ago!
mamenchasaurus